Search Results — 2000 specimen records retrieved (1355 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC27314  Abies concolor T. B. Devine 1976-10-23 362 Siskiyou Little Duck Lake. 1950 Comment
  HSC31506  Abies concolor Steve Selva, Roger Jensen 1974-8-16 17 Siskiyou Above Sugar Lake trail Comment
  HSC99294  Abies concolor T. Jimerson, J. Pageau 1979-6-15 558 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  RSA226606  Abies lasiocarpa J. O. Sawyer 1969-7-3 1440 Siskiyou North of Russian Lake 2148 Comment
  UC618788  Abies magnifica var. shastensis W. B. Cooke 1938-9-17 11679 Siskiyou Horse Camp Mount Shasta 2438 Comment
  JEPS84284  Abies procera L. R. Heckard with R. Raiche and S. Winchester 1986-7-17 6487 Siskiyou ne of summit Copper Butte (e of Cook and Greene Pass) 1767 Comment
  UC635157  Acer glabrum var. glabrum D. Tebbe 1929-6-26 12 Siskiyou Big Bear Gully Salmon Mountains, Big Bear Gully Comment
  HSC4910  Acer glabrum var. torreyi J. O. Sawyer 1968-9-13 710 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  CAS-BOT-BC332787  Acer macrophyllum Alice Eastwood 1912-7-23 1343 Siskiyou Cantara Comment
  UC1034596  Acer macrophyllum Douglas Barbe 1955-6-30 62 Siskiyou 1 mi nw Forest Camp (along Johnson Creek, Etna); Klamath Mountains, along Johnson Creek, Etna 944 Comment
  CDA35548  Acer negundo subsp. californicum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2620 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  CAS-BOT-BC336931  Acer negundo var. californicum J. H. Thomas; T. C. Fuller; G. D. Barbe 1980-4-29 53406 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC30442  Achillea millefolium Doris K. Kildale 1929-8-24 9099 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  HSC67833  Achillea millefolium J. O. Sawyer, J. Cole 1980-7-22 3923 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UCR37814  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UCR47891  Achillea millefolium Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC30444  Achillea millefolium D. M. Traugh 1933-5-25 62 Siskiyou Klamath N.F. 609 Comment
  HSC68426  Achlys triphylla Maralyn A. Renner 1980-6-26 1219 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC260333  Achnatherum hymenoides J. R. Swallen 1940-6-4 15001 Siskiyou Mount Shasta. Along the Bolam Road 1219 Comment
  UC1483563  Achnatherum lemmonii Maralyn A. Renner 1980-6-26 1148 Siskiyou Flint Valley Klamath National Forest, Dillon Mtn. Quad., Flint Valley 1389 Comment
Read comments
Jun 8 2012
  UCD50944  Achnatherum occidentale A. H. Murphy 1955-7-29 55 Q Siskiyou Klamath National Forest, Marble Mountains, Clear Lake. 1798 Comment
  UCD50984  Achnatherum occidentale H. S. Yates 1936-6-21 5827 Siskiyou N base of Wintoon Butte. 1219 Comment
  SEINET7593416 Image available Achnatherum occidentale Frederick W. Oettinger 1968-9-6 744 a Siskiyou Salmon Mountains, High Lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area - Bear Meadow above Tom's Lake 2187 Comment
  RSA17728  Achnatherum occidentale subsp. occidentale Elmer I. Applegate 1935-6-10 9481 Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  UC593458  Achnatherum occidentale subsp. pubescens E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1960 Siskiyou 2 mi s, on highway from Bray to Weed Sheep Rock (n slope of Mt. Shasta); Mt. Shasta 1235 Comment
  POM54984  Achyrachaena mollis E. B. Copeland 1903-7-3 s.n. Siskiyou Klamathon. Comment
  HSC44714  Acmispon nevadensis J. O. Sawyer, E. Cope 1977-6-18 2915 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  UC13901  Aconitum columbianum W. C. Blasdale 1894-8-1 Siskiyou Sisson Comment
  CAS-BOT-BC391521  Aconitum columbianum subsp. columbianum Alice Eastwood 1917-9-2 6640 Siskiyou Shasta Springs Comment
  HSC96298  Aconitum columbianum subsp. columbianum Gordon Leppig 1998-8-13 1002 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  CAS-BOT-BC391541  Aconitum columbianum subsp. columbianum C. G. Pringle 1881-8-15 s.n. Siskiyou Castle Lake 1828 Comment
  HSC92956  Aconogonon davisiae Jennifer Whipple 1976-6-12 984 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2317 Comment
  HSC61846  Aconogonon davisiae Ruby Van Deventer 1938-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC391705  Actaea rubra Doris K. Kildale 1928-8-18 6494 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  HSC29437  Actaea rubra Frederick W. Oettinger 1968-9-1 635 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  UC1408851  Actaea rubra Frederick W. Oettinger 1968-9-1 635 Siskiyou e. side Abbotts lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1722 Comment
  RSA238275  Actaea rubra subsp. arguta Frederick W. Oettinger 1969-8-21 1483 Siskiyou Under thicket at Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC29323  Adenocaulon bicolor Edward Lee 1934-8-13 1091 Siskiyou Watershed of west branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest. 1463 Comment
  HSC46088  Adiantum aleuticum J. P. Smith, Steve Selva 1970-7-15 4349 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  CDA1640  Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou 4 miles east of Montague. 0 Comment
  HSC2395  Agastache urticifolia William J. Ferlatte 1966-8-18 425 Siskiyou Willow Creek Trail. 1707 Comment
  UC1034034  Ageratina occidentalis W. Bridge Cooke 1941-8-15 16185 Siskiyou on recent lava flow n Cascade Gulch; Mount Shasta Comment
  UC618674  Ageratina occidentalis W. Bridge Cooke 1938-8-24 11580 Siskiyou near (just w) Bolam Creek; Mount Shasta Comment
  CDA296  Ageratina occidentalis S. Davis, F. D. Horn 1979-8-24 Siskiyou Hotlum Road above railroad tracks, northeast of Weed. 0 Comment
  CAS-BOT-BC15481  Agoseris X dasycarpa Roxana S. Ferris; Laura Lorraine 1941-8-11 10506 A Siskiyou Slopes above Medicine Lake, Shasta National Forest Comment
  HSC92333  Agoseris aurantiaca Jennifer Whipple 1976-7-24 1555 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 Comment
  UC75991  Agoseris aurantiaca var. aurantiaca Milo S. Baker 1897-8-1 144 Siskiyou Payne's Springs Payne's Springs Comment
  UC195380  Agoseris grandiflora var. grandiflora A. A. Heller 1916-7-20 12555 Siskiyou at, ne base of Mt. Eddy Metcalf's ranch; Mt. Eddy 1188 Comment
  UC585113  Agoseris grandiflora var. grandiflora E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1940 Siskiyou about 8 mi s of Yreka 822 Comment
  CAS-BOT-BC15376  Agoseris grandiflora var. grandiflora Wm. Bridge Cooke 1938-8-5 11441 Siskiyou MacBride Springs, on southwest side of Mount Shasta 1524 Comment
  CAS-BOT-BC15383  Agoseris grandiflora var. grandiflora Alice Eastwood; John Thomas Howell 1937-6-26 5064 Siskiyou Near Fork of Salmon River Comment
  UCD128610  Agoseris heterophylla Robert E. Preston 2002-6-20 1850 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1968 Comment
  POM33138  Agoseris retrorsa Geo. D. Butler 1910-5-15 1347 Siskiyou Greenhorn Mountain 1067 Comment
  JEPS68388  Agrostis exarata Geo. D. Butler 1909-6-28 852 Siskiyou along creek near Yreka Comment
  UCD52354  Agrostis exarata L. Whitney 1935-7-15 s.n. Siskiyou near Bulls-eye Lake. Comment
  SEINET13768145  Agrostis exarata L. C. Wheeler 1934-8-14 3144 Siskiyou White Mountain: east end. 1768 Comment
  RSA233687  Agrostis humilis R. F. Thorne, Fred Oettinger 1969-8-10 38956 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  CAS-BOT-BC139349  Agrostis idahoensis W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox. Comment
  UC1265310  Agrostis pallens F. W. Oettinger 1969-9-2 1587 Siskiyou near Tom Taylor Cabin; Salmon Mountains, Bear Meadow 2164 Comment
  CAS-BOT-BC138697  Agrostis scabra E. Palmer 1892-1-1 2636 Siskiyou Near Mount Shasta. Comment
  RSA238993  Agrostis scabra Frederick W. Oettinger 1968-9-7 751 Siskiyou Lake shore at north end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA115691  Agrostis stolonifera Beecher Crampton 1956-8-20 3799 Siskiyou Ditch along US Hwy. 99, 1/2 mile south of Dunsmuir Comment
  RSA384945  Agrostis stolonifera L. C. Wheeler 1934-8-14 3134 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  RSA238409  Agrostis variabilis Frederick W. Oettinger 1969-9-3 1618 Siskiyou Shasta Ridge, on north side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET12048093  Allium acuminatum Unknown 1945-1 Siskiyou Comment
  HSC46178  Allium bolanderi var. bolanderi Jennifer Whipple 1978-6-5 2330 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC465426  Allium campanulatum Wm. Bridge Cooke 1939-7-7 13598 Siskiyou Along the Wagon Camp road just below Wagon Camp, Mount Shasta 1676 Comment
  RSA68940  Allium campanulatum A. E. Culbertson 1943-7-5 18 Siskiyou Castle Lake, 14 miles SW of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains; 2000 above Sacramento River. Within 10 air miles of its headwaters to the west. 1657 Comment
  SEINET3884476  Allium falcifolium D. W. McNeal 1977-6-7 2051 Siskiyou On the hillside above Hwy. #3 and along the rd. side ditch, 5.5 mi. n. of Scott Summit.; 0 Comment
  SEINET3884481  Allium falcifolium D. W. McNeal 1981-5-14 2522 Siskiyou Along a low rd. bank beside Masterson Rd., 0.4 mi. s. of the Gazelle-Callahan Rd., 19.0 mi. w. of Gazelle.; 0 Comment
  JEPS25575  Allium obtusum var. obtusum Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7200 Siskiyou upper edges of Panther Meadow, sw slopes of Mount Shasta Mount Shasta, Panther Meadow 2286 Comment
  POM258066  Allium siskiyouense C. L. Hitchcock, JS Martin 1939-7-9 5319 Siskiyou Between King s Castle and Black Mountains, west side of ridge. 1829 Comment
  UCD138604  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou Marble Mountain Wilderness Area. 1950 Comment
Read comments
Mar 27 2015
  CAS-BOT-BC478035  Allium validum John Thomas Howell 1937-7-23 13356 Siskiyou South Fork of Salmon River near the Big Flat 0 Comment
  RSA211509  Allium validum William J. Ferlatte 1966-8-17 393 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  HSC27686  Allotropa virgata Carl W. Mize 1979-6-8 43 Siskiyou 335 Comment
  UC61056  Alnus incana subsp. tenuifolia W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  UC1034619  Alnus rhombifolia Douglas Barbe 1955-6-27 5 Siskiyou 0.8 mi n Callahan (in dredgings near Hjertagers' Mill); Klamath Mountains 975 Comment
  HSC69223  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-8-31 2621 Siskiyou Twin Valley. 1494 Comment
  JEPS96880  Alnus viridis subsp. sinuata Dean W. Taylor 1999-8-12 17301 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road Comment
  CDA3624  Alyssum alyssoides Vernon H. Oswald & Lowell Ahart 1998-6-11 9178 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  CAS-BOT-BC18599  Alyssum alyssoides William Bridge Cooke 1940-6-7 15113 Siskiyou Along the side of the Pacific Highway between Mount Shasta City and Black Butte. (US99) 1219 Comment
  CAS-BOT-BC136716  Amelanchier alnifolia var. pumila Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  CDA25701  Amelanchier pallida T. C. Fuller 1962-6-13 8976 Siskiyou Highway 89 to McCloud 1.2 miles west of Bartle. 0 Comment
  HSC76639  Amelanchier pallida K. T. Stillman 1976-6-25 83 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  POM148465  Amelanchier pallida J. B. Feudge 1927-7-22 1686 Siskiyou Mt. Shasta City 1098 Comment
  CAS-BOT-BC136921  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11777 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  UCD77329  Amelanchier utahensis Robert E. Preston 2001-6-23 1569 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain at Hemlock Lake. 1889 Comment
  CAS-BOT-BC136880  Amelanchier utahensis Marian L. Campbell 1921-7-26 s.n. Siskiyou Ireland's place, Sacramento River Comment
  CAS-BOT-BC28270  Amphiscirpus nevadensis Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39044 Siskiyou Ca 2 mi W of Lower Klamath National Wildlife Refuge 1295 Comment
  RSA696901  Anaphalis margaritacea Leo Miller s.n. Siskiyou Siskiyou Mts. 854 Comment
  UC2062592  Androsace filiformis Belinda Lo with Alex Randolph-Lowe 2017-8-26 357 Siskiyou SISKIYOU COUNTY: Klamath National Forest, about 0.9 miles SSW of Pinto Spring. Comment
  CAS-BOT-BC391800  Anemone deltoidea Doris K. Kildale 1928-7-4 5459 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC391859  Anemone drummondii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  HSC45193  Anemone drummondii J. O. Sawyer, E. Cope 1977-6-21 2986 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  CAS-BOT-BC391849  Anemone drummondii William A. Dayton 1912-6-16 58 Siskiyou Shasta National Forest. E. Fk. of Scott River Range 1981 Comment
  CAS-BOT-BC391853  Anemone drummondii Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mountain 1676 Comment
  HSC36950  Anemone lyallii J. P. Smith 1974-5-26 7588 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  POM365636  Anemone multifida M. B. Dunkle 1945-1 9312 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  CAS-BOT-BC210241  Anemone multifida var. multifida Dana York 2011-8-12 3044 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  HSC77116  Anemone multifida var. multifida K. T. Stillman 1976-6-25 64 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  CAS-BOT-BC391978  Anemone occidentalis A. A. Heller 1915-7-15 12077 Siskiyou Mt. Eddy 2072 Comment
  UC853596  Anemone occidentalis L. E. Smith Siskiyou Mt. Shasta Comment
  UC903756  Anemone occidentalis M. B. Dunkle July, 1945 Siskiyou Marble Mts., Klamath Nat'l Forest Comment
  JEPS95249  Anemopsis californica Steve Edwards 1996-7-14 Siskiyou Road A1 2, 6.2 mi W of Big Springs Road, or 0.7 mi E of the RR tracks in Granada Comment
  JEPS120189  Angelica tomentosa Julie Kierstead Nelson 2011-8-23 2011 -42 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  RSA261569  Angelica tomentosa var. tomentosa J. M. Tucker, L. Mann 1963-7-4 3697 Siskiyou Vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyers Bar Comment
  SD109166  Angelica tomentosa var. tomentosa Joseph M. DiTomaso 1980-8-20 1892 Siskiyou Trail to Caribou Lake in Salmon-Trinity Alps Wilderness Area. 1950 Comment
  HSC94197  Anisocarpus madioides G. Fred Hrusa 1998-7-5 14694 Siskiyou Cedar Camp Rd., approx. 5 mi. E of Weitchpec on Hwy. 96. N side of Hwy Comment
  CAS-BOT-BC59279  Antennaria argentea L. E. Smith 1913-4-26 123 Siskiyou Dunsmuir Comment
  JEPS120182  Antennaria argentea Julie Kierstead Nelson with Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -054 Siskiyou Headwaters of South Fork Willow Creek, foothills of N side Scott Mountain. Along Rd. 42N42Y .2 mi. E of junction with 42N19 Comment
  RSA416679  Antennaria argentea M. B. Dunkle 1944-6-25 9023 Siskiyou Beaver Creek. (Coastal Northern California). 1677 Comment
  UC88215  Antennaria geyeri unknown Jul 1887 Siskiyou Ager Comment
  CAS-BOT-BC58722  Antennaria geyeri Alice Eastwood 1912-7-15 1061 Siskiyou Near McCloud Comment
  HSC21993  Antennaria media J. O. Sawyer 1969-8-4 1804 Siskiyou Above Sugar Lake 2134 Comment
  UC1409469  Antennaria rosea Frederick W. Oettinger 1968-8-5 402 a Siskiyou Shasta Ridge, between Diamond Lake and English Peak The Salmon Mountains, Marble Mountain Wilderness Area, Engli 2072 Comment
  CDA10083  Antennaria rosea subsp. rosea Vernon H. Oswald & Lowell Ahart 1998-6-11 9210 Siskiyou Old State Highway, 0.1 mile east of Tennant Road, ca. 9 air miles east of Grass Lake located on Highway 97, ca. 22 air miles northeast of Weed. Comment
  SEINET12948030  Antirrhinum breweri G. D. Butler 1910-7-17 1569 Siskiyou Humbug Mountain. 1067 Comment
  JEPS83420  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-7-2 363 Siskiyou 2.5 mi ne Highway 3 (Gazaeel-Callahan Road, e side of road); China Mt. Quad. (15', 1955) 1051 Comment
  UC909318  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 Siskiyou near Sniktaw Creek (along road at Quartz Valley); Quartz Valley 914 Comment
  POM43118  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1910-6-17 1569 Siskiyou Humbug Mountain. 1067 Comment
  HSC21957  Apocynum androsaemifolium J. O. Sawyer 1969-8-18 1975 Siskiyou S of S Sugar Lake 2104 Comment
  JEPS84292  Apocynum androsaemifolium L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-15 6299 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  UC22884  Apocynum androsaemifolium W. H. Brewer 1862-9-16 1407 Siskiyou Mt. Shasta Comment
  RSA403114  Apocynum androsaemifolium subsp. pumilum M. B. Dunkle 1944-6-25 9029 Siskiyou Siskiyou Natl. Forest Comment
  UC853775  Aquilegia formosa A. A. Heller 1916-7-20 12472 Siskiyou near Wagon Creek Falls e side of Mt. Eddy Comment
  UCD77343  Aquilegia formosa Robert E. Preston 2001-6-23 1601 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  UCD95560  Aquilegia formosa J. M. Tucker; D. V. Hemphill 1974-7-26 4288 Siskiyou Let 'Er Buck Meadows, 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  POM95067A  Arabis breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  HSC6556  Arabis divaricarpa Marion Ownbey, Ruth Ownbey 1938-7-20 1760 Siskiyou 1 mi. E of Dry Lake Lookout, summit of Siskiyou Mtns. Comment
  RSA0126148  Arabis divaricarpa Frederick W. Oettinger 1969-7-11 974 Siskiyou Bank of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  UC162638  Arabis glabra Harley P. Chandler 1901-6-1 1626 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC705860  Arabis glabra Marion Ownbey and Fred G. Meyer 1940-7-7 2207 Siskiyou sw of Yreka (along Soap Ridge Road) Comment
  SEINET193230  Arabis holboellii var. pinetorum Lincoln Constance, Reed C. Rollins 1942-5-13 2914 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  HSC26568  Arabis holboellii var. pinetorum J. P. Smith, J. O. Sawyer 1972-8-20 5758 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC92693  Arabis modesta D. L. Goforth 1980-6-27 651 Siskiyou Klamath River at McKinney Creek 537 Comment
  HSC90603  Arabis platysperma var. platysperma Jennifer Whipple 1977-7-22 2057 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  UC583383  Arabis sparsiflora Elmer I. Applegate 1932-6-13 7239 Siskiyou Captain Jack's Stronghold Modoc Lava Beds Comment
  HSC27591  Aralia californica Carl W. Mize 1972-6-21 70 Siskiyou Along trail by first creek 335 Comment
  RSA239009  Aralia californica Frederick W. Oettinger 1966-7-25 35 Siskiyou Along Timber Gulch Bank, Salmon River District, Klamath National Forest, Cecilville 701 Comment
  UC375255  Arceuthobium americanum Geo. D. Butler 1908-7-19 271 Siskiyou Comment
  SEINET2471356  Arceuthobium cyanocarpum R. L. Mathiasen 2007-9-20 2007 -54 Siskiyou 1.6 km N. of Park Creek trail head on forest road 17 2000 Comment
  SEINET2139984  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-1 2003 -49 Siskiyou 0.4 km S of Eaton Lake, Russian Peak Wilderness. 1940 Comment
  RSA78813  Arctostaphylos manzanita subsp. manzanita P. A. Munz 1952-7-2 17887 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  CAS-BOT-BC39983  Arctostaphylos nevadensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  HSC67697  Arctostaphylos nevadensis John Palmer 1980-7-24 581 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA60638  Arctostaphylos nevadensis I. L. Wiggins 1950-5-28 12373 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  UCD59182  Arctostaphylos nevadensis Steve Edwards; Wayne Roderick 1983-7-10 102 Siskiyou On Cook and Green Pass east of the pass. 1524 Comment
  JEPS124854 Image available Arctostaphylos nevadensis J. Yamanaka 1965-7-13 135 Siskiyou Mt. Shasta. Comment
  CAS-BOT-BC46426  Arctostaphylos patula W. R. Dudley 1899-8-21 s.n. Siskiyou Willow Creek Rd. - Gazelle to Callahan's. Comment
  HSC744  Arctostaphylos patula William J. Ferlatte 1967-6-29 579 Siskiyou Dorleska Summit 2134 Comment
  POM77504  Arctostaphylos patula Geo D. Butler 1908-8-5 102 Siskiyou West Fork of Wooley Creek. 1677 Comment
  SEINET3106997  Arctostaphylos patula Steve Selva, Roger Jensen 1974-8-16 9 Siskiyou Dry, south facing Chaparral slopes above Sugar Lake. Comment
  UC1005654  Arctostaphylos patula Frank W. Gould 1940-5-15 1245 Siskiyou n slope Goosenest Mountain 1524 Comment
  UC1409417  Arctostaphylos patula Frederick W. Oettinger 1968-8-15 527 Siskiyou n end Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  CDA38690  Arctostaphylos patula T. C. Fuller 1962-6-13 8991 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  SEINET11988199  Arctostaphylos patula var. coalescens W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou between Horsetail & Cook & Green Pass 1341 Comment
  CAS-BOT-BC47012  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-31 9162 Siskiyou Cecilville, s. fork Salmon River. Comment
  CAS-BOT-BC47014  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1928-7-1 5323 Siskiyou Forks of Salmon. Comment
  CAS-BOT-BC47015  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-4-27 7482 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  CAS-BOT-BC47023  Arctostaphylos viscida subsp. viscida J. H. Thomas 1954-5-12 4125 Siskiyou Salmon Mountains, Klamath National Forest. Near s. Fork of Salmon River, 5 to 9 mi. se. of Cecilville, between Lat. 41 975 Comment
  SBBG5517  Arctostaphylos viscida subsp. viscida H. and M. Dearing 1939-6-3 3535 Siskiyou near Scott Bar 609 Comment
  HSC60848  Arenaria serpyllifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. Bell Echo Meadow. 1524 Comment
  RSA505435  Arnica chamissonis subsp. foliosa Rimo Bacigalupi 1957-6-27 5974 Siskiyou Grass lake, on route between Weed and Klamath Falls, 20 miles northeast of Weed 1545 Comment
  CAS-BOT-BC82360  Arnica cordifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53397 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  HSC45165  Arnica discoidea J. O. Sawyer, E. Cope 1977-6-19 2944 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  HSC61886  Arnica latifolia Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC29113  Arnica latifolia Frederick W. Oettinger, R. F. Thorne 1969-8-6 1256 Siskiyou Marble Mtn. Wilderness Area, above flume in Tom's Lake Basin 1890 Comment
  RSA253490  Arnica latifolia C. L. Hitchcock, J. S. Martin 1939-7-7 5233 Siskiyou On road to Bolan Lake, 5 mile from cut off at jct with Takilma Happy Camp road 1768 Comment
  HSC92873  Arnica mollis Jennifer Whipple 1977-8-6 2235 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC76022  Arnica nevadensis Milo S. Baker 1898-8-1 502 Siskiyou sw of Lake Medicine Comment
  UC558481  Arnica viscosa W. B. Cooke 1936-8-1 Siskiyou first creek s of Horse Camp; Mount Shasta 2438 Comment
  SEINET516319  Artemisia cana subsp. bolanderi Vernon H. Oswald 1998-9-16 9628 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Smas Neck Rd. and Hwy. 97 ca. 5 mi N of Macdoel. 1295 Comment
  RSA186323  Artemisia douglasiana Gilbert Muth 1966-10-16 10 Siskiyou Marble Mountains 1793 Comment
  HSC2270  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  CAS-BOT-BC447715  Aruncus dioicus var. vulgaris Doris K. Kildale 1929-7-20 8617 Siskiyou South Fork, Indian Creek near Happy Camp Comment
  CAS-BOT-BC400594  Asarum caudatum A. M. Vollmer; L. Beane 1951-6-2 84 Siskiyou Happy Camp, Klamath River Highway Comment
  HSC28657  Asarum caudatum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1248 Siskiyou Marble Mtns. Wilderness Area, along Pine Lake outlet stream 1829 Comment
  CAS-BOT-BC400692  Asarum hartwegii J. H. Thomas 1954-5-13 4132 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  HSC103546  Asarum hartwegii Thomas W. Nelson 2005-5-24 9319 Siskiyou Shoeinhorse Mountain, along Forest Service Rd. 11, just west of Butcherknife Creek 880 Comment
  HSC43267  Asclepias cordifolia K. Irwin 1977-5-22 384 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  SBBG30592  Asclepias cordifolia D. Myrick 1968-6-27 2041 Siskiyou trail to Lake Josephine above Carter's Ranch 5 mi S of Big Flat 1828 Comment
  RSA120779  Asclepias speciosa G. D. Barbe 1955-6-28 22 Siskiyou 0.8 mile north of Callahan along an irrigation ditch. 976 Comment
  SEINET10913619  Asclepias speciosa K. Bridwell 1978-7-5 Bridwell 164 Siskiyou Along county dirt road between the Tablelands and Mahogany Ridge, ca 18 mi S of Klamath Falls, Ore., and 3 mi NE of Dorris, Calif. 1244 Comment
  CAS-BOT-BC69599  Aspidotis densa Doris K. Kildale 1929-7-20 8662 Siskiyou Raspberry Lake, upper Indian Creek. 1828 Comment
  UC1190384  Aspidotis densa Ira L. Wiggins 1955-7-27 13533 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UCSB51228  Aspidotis densa Almanza, Ed 1976-7-14 Siskiyou Little Castle Lake meadow, Trinity Mountains 1706 Comment
  RSA417621  Aster M. B. Dunkle 1929-8-26 2332 Siskiyou Golden Trout Creek. 2744 Comment
  RSA770803  Aster oregonensis H. M. Hall 1902-9-6 s.n. Siskiyou [no specific location on label] 1128 Comment
  CAS-BOT-BC178805  Astragalus californicus Thos. Howell 1889-5-12 1351 Siskiyou Hornbrook Comment
  CAS-BOT-BC27497  Astragalus californicus Edward Lee Greene 1876-5-9 764 Siskiyou near Yreka Comment
  CAS-BOT-BC186918  Astragalus inversus J. William Thompson 1936-7-9 13167 Siskiyou Lava slopes of Lava Beds Nat. Monument Comment
  HSC14570  Astragalus lentiginosus D. M. Thomson 1965-6-12 81 Siskiyou Lava Beds National Monument, Hovey Point Comment
  CAS-BOT-BC187306  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Grenada Station Comment
  CAS-BOT-BC187333  Astragalus lentiginosus var. salinus Elmer I. Applegate 1935-6-5 9333 Siskiyou Lyons road, north boundary area, Lava Beds National Monument Comment
  HSC62472  Astragalus purshii Diane L. Reed 1980-7-1 Siskiyou Mahogany Point just N of F.S. Rd. 45N28. Comment
  JEPS93850  Astragalus purshii var. purshii Vernon H. Oswald and Lowell Ahart 1998-6-11 9202 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CAS-BOT-BC193068  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 -A Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  POM16071  Astragalus purshii var. tinctus E. B. Copeland 1903-7-6 7964 Siskiyou Hornbrook. Comment
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Jan 23 2011
  POM45521  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou Near Yreka. Comment
  POM16192  Astragalus whitneyi E. B. Copeland 1903-8-18 3842 Siskiyou Mount Eddy 2744 Comment
  CAS-BOT-BC198716  Astragalus whitneyi var. siskiyouensis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Between turnoff to Picayne Lake and Mumbo summit, Trinity Mts. 1889 Comment
  CHSC32932  Asyneuma prenanthoides J. P. Smith; Steve Selva 1970-6-15 3899 Siskiyou Oak Bottom Campground near Somes Bar. 228 Comment
  HSC44583  Asyneuma prenanthoides Laura Witherspoon 1977-8-10 Siskiyou 2 mi. up FS Rd. 12N13 W of Bald Butte 610 Comment
  RSA237518  Athyrium americanum Frederick W. Oettinger 1969-8-22 1489 Siskiyou On the southeast bank of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC66201  Athyrium filix-femina var. cyclosorum Edward Lee 1934-8-13 1074 Siskiyou watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1371 Comment
  HSC35797  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-6-25 321 Siskiyou Along Horse Range Creek 1829 Comment
  HSC69747  Athyrium filix-femina var. cyclosorum Maralyn A. Renner 1980-8-6 2243 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC399379  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1908-8-4 244 Siskiyou Woolly Creek Cold Spring Comment
  CAS-BOT-BC100048  Balsamorhiza hookeri Lincoln Constance; Reed C. Rollins 1942-5-14 2919 Siskiyou One mile east of Yreka 762 Comment
  CAS-BOT-BC100058  Balsamorhiza lanata Alice Eastwood; John Thomas Howell 1934-4-20 1794 Siskiyou 4 miles north of Weed Comment
  HSC67996  Balsamorhiza sericea J. P. Smith 1976-5-21 8768 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  SBBG2418  Barbarea vulgaris H. and M. Dearing 1939-6-5 3550 Siskiyou E of McCloud Comment
  RSA210843B  Bassia hyssopifolia R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39042 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  SEINET10967578  Beckmannia syzigachne Louis C. Wheeler 1935-6-27 Wheeler 3621 Siskiyou Edge of irrigation ditch in sunny meadow. Greenview, Scott Valley 884 Comment
  HSC27230  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1971-9-18 4804 Siskiyou 0.2 mi. W of the jct. of Hwy. 3 and Rd. 8 N of Callahan. Comment
  HSC31619  Berberis aquifolium var. repens Glenn McGourty 1974-5-25 54 Siskiyou 1402 Comment
  JEPS47782  Berberis nervosa W. L. Jepson 1894-1 Siskiyou Shasta Springs Comment
  CAS-BOT-BC169487  Betula occidentalis W. R. Dudley 1905-8-4 s.n. Siskiyou Sacramento River Comment
  HSC2222  Bidens cernua L. C. Wheeler 1934-10-21 3337 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  UC166583  Bidens cernua Geo. D. Butler 1908-8-28 346 Siskiyou near Oro Fino Comment
  RSA608433  Bidens cernua L. C. Wheeler 1935-7-3 3648 Siskiyou 2 mi nw of Montague (Shasta River); Shasta River. 761 Comment
  HSC30486  Bistorta bistortoides Frederick W. Oettinger, R. F. Thorne 1969-8-8 1286 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  CAS-BOT-BC127902  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mts. 914 Comment
  CAS-BOT-BC127934  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka Comment
  HSC34009  Blepharipappus scaber J. P. Smith 1974-5-25 7506 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  UC894094  Blepharipappus scaber Louis C. Wheeler 1935-6-9 3553 Siskiyou s slope Yreka Creek, Siskiyou Mts. Siskiyou Mts., Yreka Creek 1219 Comment
  CHSC30061  Boechera breweri Harritta Gaussoin 1980-3-26 6 Siskiyou Ca. .25 miles NE of rest stop of jct. of Interstate % N and Highway 96 E. 91 Comment
  UC1409498  Boechera breweri subsp. breweri Frederick W. Oettinger 1968-8-10 465 Siskiyou e side Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2042 Comment
  UC583301  Boechera breweri subsp. shastaensis Alice Eastwood and John Thomas Howell 1934-4-20 1762 Siskiyou near Yreka (along Shasta River); Shasta Rvier Comment
  UCD77350  Boechera divaricarpa Robert E. Preston 2001-7-21 1703 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 of se 1/4 Section 15 1859 Comment
  CAS-BOT-BC14667  Boechera rectissima Alice Eastwood 1923-5-22 11895 Siskiyou Sisson. Comment
  CAS-BOT-BC25428  Boechera retrofracta J. H. Thomas 1954-5-13 4131 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  JEPS104933  Boechera retrofracta Dean W. Taylor 1996-6-18 15726 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  CAS-BOT-BC25693  Boechera sparsiflora E. K. Balls 1949-7-9 1394 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1005 Comment
  CAS-BOT-BC25870  Boechera subpinnatifida L. E. Smith 1914-4-20 636 Siskiyou Yreka. Comment
  RSA0028753  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  UC1925601  Botrychium simplex Alan R. Smith with Joan Smith 2008-7-27 2922 Siskiyou Mount Shasta, Upper Panther Meadows; N 41.21.355, W 122.11.974 to N 41.21.374, W 122.11.955 Comment
  UC810936  Botrychium simplex W. Bridge Cooke and V. G. Cooke 1942-9-8 Siskiyou Panther Creek Mount Shasta 2438 Comment
  CAS-BOT-BC418464  Boykinia major John Thomas Howell 1937-7-25 13464 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC67713  Boykinia major John Palmer 1980-7-24 613 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA184648  Boykinia major Clare B. Hardham 1965-8-20 13008 Siskiyou Marble Mtns. Near Cudahy Lakes. Paso Robles. 1524 Comment
  CAS-BOT-BC36692  Brassica rapa Alice Eastwood 1912-7-17 1168 Siskiyou Sisson. Comment
  CAS-BOT-BC127714  Brickellia greenei L. E. Smith 1915-7-1 s.n. Siskiyou Castella Comment
  SEINET8401322  Brodiaea elegans L. E. Detling 1959-6-8 8225 Siskiyou Scott River near Scott Bar. 579 Comment
  UC337864  Brodiaea elegans subsp. elegans unknown 1889-7-26 Siskiyou Edgwood Comment
  RSA603844  Bromus berteroanus L. C. Wheeler 1935-5-7 3468 Siskiyou Klamath River at Ash Creek. 610 Comment
  CAS-BOT-BC149054  Bromus carinatus var. carinatus R. E. Frenkel 1963-7-13 223 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River Railroad crossing near Mount Shasta. 1176 Comment
  CAS-BOT-BC156272  Bromus catharticus W. D. Hamilton 1946-4-19 s.n. Siskiyou 4 miles north of Davis. Comment
  UC618657  Bromus hordeaceus W. Bridge Cooke 1938-7-15 11216 Siskiyou above Bear Springs (Mount Shasta); Mount Shasta 1676 Comment
  UCD58774  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3392 Siskiyou 7 miles N of Weed. Comment
  UC593531  Bromus laevipes E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1907 Siskiyou about 7 mi sw of Yreka (s of highway from Yreka to Fort Jones, Forest House Mountain); Forest House Mountain 1371 Comment
  RSA126877  Bromus marginatus H. A. Jensen 1933-3-30 s.n. Siskiyou Signal Butte; Dunsmuir. 1341 Comment
  UC1145165  Bromus orcuttianus Joseph P. Tracy 1950-7-18 19219 Siskiyou 3 air mi nw from mouth of Salmon River (Prospect Hill); Prospect Hill 1097 Comment
  HSC22860  Bromus suksdorfii J. O. Sawyer, D. E. Anderson 1969-7-9 1270 Siskiyou S facing upper slope above S Sugar Lake. 2378 Comment
  HSC100204  Bromus tectorum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13178 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  UCD59865  Bromus tectorum Sandra L. Holloway 1963-4-11 33 Siskiyou Umbrella Hill,' 1 mile S of Oberlin Road and 5 miles SE of Yreka. 762 Comment
  HSC101479  Bromus vulgaris J. P. Smith, J. O. Sawyer 2011-7-21 13038 Siskiyou Near Dillon Camp 1358 Comment
  JEPS20950  Cacaliopsis nardosmia Geo. D. Butler 1909-5-30 760 Siskiyou Humbug Mountain Comment
  SEINET7379693 Image available Cacaliopsis nardosmia G. D. Butler 1910-5-1 1266 Siskiyou Humbug Mountains Comment
  HSC23101  Calamagrostis breweri J. O. Sawyer 1969-8-5 1755 Siskiyou W of Little Duck Lake 2073 Comment
  JEPS109776  Calamagrostis breweri D. W. Taylor 2002-7-29 18287 Siskiyou South China Mountain; cirque as E base of summit ridge Comment
  HSC30655  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1184 Siskiyou Marble Mtn. Wilderness Area, on moraine N of Tobacco Lake 1890 Comment
  CAS-BOT-BC185260  Calamagrostis koelerioides Doris K. Kildale 1929-8-24 9009 Siskiyou Preston Peak. Rattlesnake Meadow. 1676 Comment
  UC1265352  Calamagrostis koelerioides F. W. Oettinger 1968-8-23 605 Siskiyou on slope of Peak below overlook of English Lake (on trail to Tom Taylor Cabin); Salmon Mountains, English Peak 2072 Comment
  UCD57255  Calamagrostis koelerioides A. H. Murphy 1955-7-28 55 H Siskiyou Klamath National Forest, Marble Mountains, Hancock Lake. 1889 Comment
  CAS-BOT-BC185257  Calamagrostis koelerioides W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge. Comment
  UCD56963  Calamagrostis sesquiflora Peter Kamb 1949-8-25 1487 Siskiyou southwest slope of Mt. Shasta above Horse Camp. 2621 Comment
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Apr 1 2012
  POM215868  Callitriche verna L. C. Wheeler 1935-6-13 3568 -1/2 Siskiyou Greenview, Scott Valley. 884 Comment
  HSC44233  Callitropsis nootkatensis A. Borden 1976-10-6 Siskiyou Elk Hole S edge 1506 Comment
  CAS-BOT-BC85746  Calocedrus decurrens Wm. Bridge Cooke 1938-9-2 11592 Siskiyou Sisson Southern Trail 1524 Comment
  HSC68565  Calocedrus decurrens Maralyn A. Renner 1980-6-7 793 Siskiyou N of Greenhorn Rd. Comment
  HSC69560  Calocedrus decurrens Maralyn A. Renner 1980-8-6 2289 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  HSC92674  Calocedrus decurrens Jennifer Whipple 1977-8-5 2191 Siskiyou Slopes near Little Crater Lake 2195 Comment
  UC202645  Calocedrus decurrens Geo. D. Butler 1910-1-15 1109 Siskiyou Forest House Mountain Comment
  UC718145  Calocedrus decurrens C. B. Wolf and E. R. Johnson 1934-10-8 6168 Siskiyou Modoc Lava Beds Modoc Lava Beds (14.3 mi e of Fall Riveron Rd. from Dana to Little Hot Springs Valley) 1219 Comment
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Mar 29 2012
  CHSC41223  Calochortus coeruleus J. D. Jokerst 1983-7-6 1831 Siskiyou Ca. 200 meters east of the meadow at Tom Young Flat, ca. 100 meters north of USFS rd. 24. Ca 2 miles north of Pondosa and Hwy 89. Comment
  HSC26554  Calochortus coeruleus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19526 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  RSA121614  Calochortus coeruleus G. D. Barbe 1955-7-6 115 Siskiyou Dry areas above NE shore of Taylor lake, Salmon Mtns. 1951 Comment
  RSA47796  Calochortus coeruleus Roxana S. Ferris, Laura Lorraine 1948-6-12 11738 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SEINET5078371  Calochortus greenei Unknown 1995-7-1 25 Siskiyou near Table Mountain; east of Yreka, CA Comment
  UC1478044  Calochortus longebarbatus var. longebarbatus Jeff Prouty and Heinitz 1980-7-9 1129 Siskiyou 2 mi nw Pondosa; Shasta-Trinity National Forest, Tom Young Flat 1280 Comment
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Apr 18 2012
  CHSC71511  Calochortus macrocarpus Vernon H. Oswald; Lowell Ahart 1998-7-21 9321 Siskiyou Hwy. 97 at the 11.0 mi mile marker 1.2 mi west of A12 northeast of Weed. 1188 Comment
  RSA120642  Calochortus nudus G. D. Barbe 1955-7-28 300 Siskiyou Just west of Scott Mountain Forest Camp along the Siskiyou - Trinity County line, Klamath Mountains 1616 Comment
  SEINET8197655  Calochortus nudus W. Roderick, D. Parker 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  UC9024  Caltha biflora Harley P. Chandler June, 1901 1571 Siskiyou Near Marble Mountain; North Coast Ranges. 1828 Comment
  POM97903  Caltha howellii Geo. D. Butler 1910-6-5 1509 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC181502  Caltha leptosepala Doris K. Kildale 1929-8-24 9044 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  HSC92133  Caltha leptosepala Jennifer Whipple 1976-6-12 971 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  JEPS24807  Calycadenia fremontii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6816 Siskiyou 7 mi e Callahan 1127 Comment
  JEPS30009  Calycadenia truncata Geo. D. Butler 1908-8-2 343 Siskiyou roadside near, Greenview; Scott Valley Comment
  UC894270  Calycadenia truncata Alice Eastwood 1922-10-23 11552 Siskiyou Yreka Comment
  RSA13400  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-10-6 3310 Siskiyou Shasta Valley, 2 mi. SE of Yreka. (Mt. Diable Mer.) 854 Comment
  JEPS52521  Calyptridium umbellatum W. L. Jepson 1907-7-4 2816 Siskiyou near Marble Mountain (Shackelford Canyon); Shackelford Canyon Comment
  UC796486  Calyptridium umbellatum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11761 Siskiyou French Creek Logging Road w of Callahan 1066 Comment
  UC61049  Calystegia occidentalis subsp. occidentalis W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  SEINET3992092  Camassia quamash Unknown 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  CAS-BOT-BC497585  Camassia quamash subsp. breviflora Frank W. Gould 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  CAS-BOT-BC36992  Camelina microcarpa L. E. Smith 1913-6-5 415 Siskiyou Montague. Comment
  UC796446  Camissonia contorta Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11757 Siskiyou French Creek Loggind Rd w Callahan 1066 Comment
  RSA48008  Camissonia contorta Roxana S. Ferris 1948-6-12 11757 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC160910  Camissonia tanacetifolia subsp. tanacetifolia V. June Wetherell 1961-8-9 490 Siskiyou Lava Beds National Monument Comment
  POM67613  Campanula prenanthoides Edward Palmer 1892-7-13 2511 Siskiyou Mt. Shasta and vicinity. Comment
  SEINET10873273  Campanula prenanthoides Rose 1945-6-22 Rose 45153 Siskiyou Horse Creek & Klamath R 1650'. Comment
  POM59315  Campanula scabrella E. B. Copeland 1903-8-18 3844 Siskiyou Mount Eddy 2744 Comment
  UC248605  Campanula scouleri Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2469 Siskiyou Mt. Shasta and vicinity Comment
  UC334030  Campanula scouleri unknown Siskiyou near Shasta Comment
  SEINET10463781  Campanula scouleri Sawyer 1978-7-6 SAWYER 3348 Siskiyou Preston Peak quadrangle; along Happy Camp-O'Brien road above Louse Creek Comment
  SEINET10972074  Campanula scouleri Edward L. Greene 1879-1 Greene 1732 Siskiyou Soda Springs, upper Sacramento River Comment
  CAS-BOT-BC266465  Campanula wilkinsiana A. A. Heller 1920-8-12 13518 Siskiyou About the spring above Horse Camp, Mount Shasta Comment
  UC890602  Campanula wilkinsiana Alice Eastwood 1912-9-1 2063 Siskiyou Mount Shasta Comment
  SEINET10840064  Campanula wilkinsiana Kohmannsm KOHMANNSM s.n. Siskiyou Mount Shasta Comment
  RSA233659  Cardamine bellidifolia R. F. Thorne, Frederick W. Oettinger 1969-8-10 39009 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CHSC102551  Cardamine bellidifolia var. pachyphylla L. P. Janeway 2009-8-3 9886 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 780 Comment
  UC1173731  Cardamine californica Joseph P. Tracy 1939-4-29 16270 Siskiyou Rock bluff on s side 1 mi about mouth Salmon River (Somes Bar); Rock Bluff on s side Salmon River, Somes Bar 182 Comment
  RSA237227  Cardamine californica var. integrifolia Frederick W. Oettinger 1969-7-10 963 Siskiyou South of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  CAS-BOT-BC37849  Cardamine oligosperma Lewis S. Rose 1945-6-18 45109 Siskiyou Horse Creek and Klamath River. 502 Comment
  CAS-BOT-BC19766  Carex abrupta John Thomas Howell 1939-8-3 14962 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC19772  Carex abrupta K. T. Stillman 1976-7-15 257 Siskiyou Marble Mountain Wilderness Area. 1950 Comment
  CAS-BOT-BC17859  Carex amplifolia H. A. Thomas; J. H. Thomas 1954-7-21 4418 Siskiyou Salmon-Trinity Mountains. About 6 miles southeast of Cecilville. West side of Rush Creek. 1158 Comment
  HSC45543  Carex amplifolia J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 Siskiyou 0.9 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  NY25681  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  UC822666  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou a short distance below Shasta Springs (between Shasta Retreat and Shasta Springs) Comment
  HSC76859  Carex amplifolia L. P. Janeway 1982-9-2 182 Siskiyou Next to creek 15 m below road from West Branch Guard Station towards Indian Creek 671 Comment
  CAS-BOT-BC19562  Carex bolanderi H. A. Thomas; J. H. Thomas 1954-7-21 4416 Siskiyou Salmon - Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  UC827030  Carex bolanderi John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake Marble Mountains 1828 Comment
  SEINET7552632 Image available Carex bolanderi David Castaner 1989-6-18 10230 Siskiyou McBridge Springs-dry bed Mt Shasta Comment
  CAS-BOT-BC19650  Carex brainerdii Alice Eastwood 1923-5-18 11852 Siskiyou Shasta Springs. Comment
  UCR52393  Carex brainerdii L. P. Janeway 1983-6-25 336 Siskiyou Cutbank of dirt road c. 0.5 mi north of West Branch USFS Station. 671 Comment
  RSA233665  Carex breweri Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38982 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  HSC82004  Carex buxbaumii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4848 Siskiyou Along Hwy. 3, 2.7 mi. N of Scott Mtn. Summit 1341 Comment
  CAS-BOT-BC34943  Carex densa George Dexter Butler 1909-6-10 809 Siskiyou Along creek near Yreka. Comment
  SEINET7557910 Image available Carex echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou Salmon Mountains. The high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area. Midway on trail between Diamond Lake and Hancock Lake at "Base Camp". 2012 Comment
  HSC85831  Carex echinata subsp. echinata L. P. Janeway 1983-7-31 472 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  POM80849  Carex feta Geo D. Butler 1910-7-15 1785 Siskiyou Oro Fino Comment
  CHSC106473  Carex fracta Peter F. Zika 2009-8-16 24603 Siskiyou Cascade Range Highlands (CaRH). Near top of Road A10 (Everett Memorial Highway), S slope of Mt. Shasta. 2370 Comment
  JEPS25580  Carex fracta Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7209 Siskiyou w slopes of broadening base of Mt. Shasta Mt. Shasta 1676 Comment
  JEPS88650  Carex fracta Dean W. Taylor 1987-8-5 9227 Siskiyou Tate Creek at crossing of Forest Road 36N06 McCloud River Watershed, Tate Creek 1484 Comment
  CAS-BOT-BC20752  Carex fracta J. Major 1961-7-14 647 Siskiyou Mount Shasta. In Mud Creek. 1706 Comment
  JEPS100914  Carex gigas Dean W. Taylor 1988-7-9 9950 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  HSC48021  Carex globosa D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Road 1677 Comment
  SEINET11309837 Image available Carex hassei Unknown 2009-1 24535 Siskiyou Near Pacific Crest Trail, Route 3, Scott Mountain Summit, Klamath Range (KR). Comment
  JEPS102966  Carex inops subsp. inops L. P. Janeway 2002-7-12 7623 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek 1573 Comment
  JEPS104437  Carex inops subsp. inops Martin J. Lenz 2003-6-9 19 Siskiyou 0.3 mi up 100R1 logging road from Tom Young Road, approx. 1 mi WNW of Pondosa 1254 Comment
  UCD77463  Carex inops subsp. inops Robert E. Preston 1999-7-16 1226 Siskiyou McCloud River, at Fowler's Campground and along trail to Middle Falls. 999 Comment
  RSA14330  Carex interior Elmer I. Applegate 1895-5-28 785 Siskiyou Sisson, Strawberry Valley. Comment
  HSC29639  Carex jonesii Frederick W. Oettinger 1969-8-19 1454 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  HSC97430  Carex jonesii Jennifer Whipple 1978-10-6 2432 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC31307  Carex lenticularis var. impressa Doris K. Kildale 1929-7-20 8672 Siskiyou Raspberry Lake, South fork of Indian Creek. 1828 Comment
  CAS-BOT-BC482439  Carex lenticularis var. impressa Dana York 2010-9-11 3012 Siskiyou Six Rivers Naitonal Forest, NE slope of Broken Rib Mountain 1670 Comment
  POM173648  Carex lenticularis var. lipocarpa Geo D. Butler 1910-7-8 1665 Siskiyou Shackleford Creek. 1220 Comment
  RSA237325  Carex leptopoda Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1245 Siskiyou Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SEINET7566381 Image available Carex luzulina L. P. Janeway 2006-7-4 8783 Siskiyou Scott Mountain 7.5' Quad. Klamath Ranges, Scott Mountains, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  CAS-BOT-BC31688  Carex mariposana Gordon H. True 1966-7-21 3101 Siskiyou Sierra Valley, ca 1 mi N of Sattley 1493 Comment
  HSC59011  Carex mertensii Marvin Butler 1971-7-21 179 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC76313  Carex mertensii L. P. Janeway 1982-7-18 78 Siskiyou Next to Green Creek, 30 m above crossing of FS 19N07 1250 Comment
  HSC76794  Carex microptera L. P. Janeway 1982-8-15 147 Siskiyou Below Echo Lake 1646 Comment
  UC195518  Carex multicaulis Geo. D. Butler 1909-5-30 856 Siskiyou Humbug Mountain Comment
  HSC85837  Carex multicaulis L. P. Janeway 1983-8-7 524 Siskiyou Along S Fork Indian Creek Rd. (FS 17N32), 18 mi. from Indian Creek Rd. 1433 Comment
  CAS-BOT-BC32276  Carex multicostata John Thomas Howell 1939-8-9 15219 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC32283  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin. 1920 Comment
  JEPS25660  Carex multicostata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7303 Siskiyou 4 air-line mi nne Preston Peak (meadow at Twin Valley just e of Del Norte county line); Siskiyou Mts., watershed of Indian Creek, Twin Valley Comment
  SEINET7568940 Image available Carex nigricans Unknown 1969-8-10 38950 Siskiyou Mt. Shasta National Forest, S slope of Mt. Shasta, Panther Creek Meadows. 2195 Comment
  UC1265347  Carex nigricans Frederick W. Oettinger and R. F. Thorne 1969-8-6 1261 Siskiyou w Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC119468  Carex nudata A. A. Heller 1905-6-1 7921 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  SEINET10949630  Carex paucicostata Thomas W. Nelson, Jane P. Nelson 1979-6-16 Nelson 4862 Siskiyou China Mountain Quad. T40N, R8W, Secs. 24 & 25. Drying meadow above Mule Creek along State Route 3, 4.4 miles north of Scott Mountain Summit. 1219 Comment
  RSA715932  Carex praegracilis L. Ahart, John Dittes 2005-6-10 12108 Siskiyou 30yards east of the Shasta River, about 60 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CHSC53659  Carex rossii L. P. Janeway; Gary Benson, Randy Harrison 1984-8-20 1056 A Siskiyou On cinder cone SW of Undertakers Camp. 2087 Comment
  CDA33140  Carex rossii D. Osterhandt 1977-6-29 Siskiyou Forest plantation, Klamath National Forest, near Weed. 0 Comment
  HSC86446  Carex rossii D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, near Haypress Meadows 1372 Comment
  HSC62624  Carex rostrata Al Hobart 1968-9-4 Siskiyou Youngs Valley Comment
  HSC77259  Carex rostrata L. P. Janeway 1983-8-28 635 Siskiyou Poker Flat 1529 Comment
  HSC91359  Carex rostrata Jennifer Whipple 1978-10-6 2423 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CHSC100000  Carex scabriuscula L. P. Janeway 2008-7-26 9511 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. Common on somewhat moist north-northeast facing slope. 1890 Comment
  HSC82382  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4536 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  RSA238967  Carex scopulorum Frederick W. Oettinger 1968-9-9 804 Siskiyou Tom s Lake lower meadow. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA238970  Carex scopulorum Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1262 Siskiyou West of Tom s Lake lower hole. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC39299  Carex scopulorum var. bracteosa J. O. Sawyer 1969-8-5 1752 Siskiyou W of Little Duck Lake 2073 Comment
  CHSC113781  Carex serratodens Peter F. Zika 2011-7-7 25546 Siskiyou W side of Route 3, 0.8 road miles N of Soap Creek Road, 3.5 air miles NW of Bally Mountain. Klamath Range (KR). 1000 Comment
  HSC39814  Carex spectabilis J. O. Sawyer 1969-8-4 1828 Siskiyou Above Sugar Lake 2134 Comment
  HSC76308  Carex spectabilis L. P. Janeway 1982-8-15 146 Siskiyou Below Echo Lake 1646 Comment
  SEINET7575750 Image available Carex spectabilis Frederick W. Oettinger 1968-9-6 731 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, trail southeast of Tom's Lake. 2012 Comment
  SEINET10847233  Carex stipata Unknown 1940-6-8 Anonymous 15121 Siskiyou In meadow in Mount Shasta City. Comment
  SEINET11638246  Carex straminiformis C. G. Pringle 1882-1 s.n. Siskiyou Mount Shasta 2438 Comment
  CHSC48066  Carex subfusca L. P. Janeway 1983-5-29 316 Siskiyou Along wet drainage ditch on N side of Scott River Rd on N side of Scott River, opposite Indian Scotty USFS campground. 762 Comment
  JEPS121616  Carex utriculata Danielle Roach 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Abundant in flat fen, over gabbro. China Mountain quadrangle. CLB_A Comment
  RSA173646  Carex vesicaria Geo D. Butler 1910-7-8 1666 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  SEINET10748601  Carex vesicaria A. Arthur Heller 1922-7-15 Heller 13711 Siskiyou Plentiful in a moist meadow at Medicine Lake. Canadian. 2134 Comment
  CHSC82803  Carex whitneyi L. P. Janeway 2002-7-12 7625 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek. 1573 Comment
  CAS-BOT-BC59701  Cassiope mertensiana Volney Rattan 1879-1-1 s.n. Siskiyou Klamath. Comment
  HSC76913  Castilleja applegatei K. T. Stillman 1976-6-26 125 Siskiyou Marble Mountain Wilderness Area; Top of pass from Bear Valley 2012 Comment
  HSC19018  Castilleja applegatei J. O. Sawyer 1969-7-1 960 Siskiyou Ridge above Paynes Lake Creek 1433 Comment
  CAS-BOT-BC241145  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-14 8265 Siskiyou Lava Beds Nat. Mon. near Indian Well Comment
  POM44685  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-7-9 1711 Siskiyou Wooly Creek. 1677 Comment
  UCD122252  Castilleja applegatei subsp. pinetorum K. M. Meyer; A. Townesmith 2007-8-2 182 Siskiyou Shasta-Trinity National Forest, 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road. 1218 Comment
  CAS-BOT-BC243748  Castilleja applegatei var. pinetorum Wm. Bridge Cooke 1939-7-14 13693 Siskiyou Along the Sisson Southern Trail, Mount Shasta 1524 Comment
  CAS-BOT-BC243758  Castilleja applegatei var. pinetorum Ira L. Wiggins 1955-7-24 13486 Siskiyou Ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  CAS-BOT-BC243774  Castilleja applegatei var. pinetorum Alice Eastwood 1923-5-23 11912 Siskiyou Cantara, S.P.R.R. Comment
  CAS-BOT-BC105070  Castilleja arachnoidea R. C. Wenk 2008-7-23 902 Siskiyou SW side of Mount Shasta, trail from Bunny Flat (6950 ft) to Sierra Club Cabin above Avalanche Gulch (7600 ft) 2316 Comment
  JEPS23283  Castilleja arachnoidea Rimo Bacigalupi with Dr. Lincoln Constance 1959-6-16 7152 Siskiyou just e Mt. Shasta Ski Bowl Lodge (fields above Panther Meadow, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  JEPS32674  Castilleja arachnoidea Paul C. Hutchison 1962-8-2 926 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  JEPS6841  Castilleja arachnoidea H. A. Thomas and J. H. Thomas 1954-7-24 4481 Siskiyou about 9 mi e Cecilville (vicinity of Rush Lake and Rush Creek Meadow); Salmon-Trinity Mts., Rush Lake, Rush Creek Meadow 1828 Comment
  HSC168  Castilleja miniata William J. Ferlatte 1966-8-2 232 Siskiyou Big Flat, between campground and S. fork of the Salmon River 1524 Comment
  HSC22089  Castilleja miniata J. O. Sawyer 1969-8-4 1869 Siskiyou Slopes W of S Sugar Lake 2165 Comment
  JEPS3904  Castilleja miniata W. L. Jepson 1894-8-4 21469 Siskiyou Mount Shasta Comment
  UC1096790  Castilleja miniata Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp; Klamath National Forest 1524 Comment
  CAS-BOT-BC254017  Castilleja miniata Wm. Bridge Cooke 1938-6-17 11059 Siskiyou Mt. Shasta 1524 Comment
  JEPS84012  Castilleja miniata L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6401 Siskiyou ca 5 mi n Seiad Valley town (above and w of Lily Pad Lake) 1770 Comment
  RSA165515  Castilleja miniata Clare B. Hardham 1961-6-30 7997 Siskiyou Siskiyou Mountains: White Mt. Comment
  CAS-BOT-BC32557  Castilleja muscipula var. angustifolia John Thomas Howell 1939-8-4 15059 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC241053  Castilleja pilosa David D. Keck 1940-6-13 5171 Siskiyou 1 mi. S.W. of Grass Lake 1525 Comment
  UC705595  Castilleja pruinosa Marion Ownbey, D. H. Brown 1941-6-22 2422 Siskiyou nw of Yreka (w of Craggy Mountain) Comment
  UCD123043  Castilleja pruinosa J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3752 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  RSA237563  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou Northeast of Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  UCR40075  Castilleja schizotricha K. T. Stillman 1976-7-7 168 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  JEPS97798  Castilleja tenuis J. Greenhouse with John Game, Mary Simpson 2000-7-15 5009 Siskiyou 4 mi NNW of Callahan (On N side of Tiger Creek Rd. 0.7 mi W of jct. with Sugar Cr. Rd); Klamath National Forest 1146 Comment
  CAS-BOT-BC47942  Ceanothus O. V. Matthews 1939-7-7 13 Siskiyou From west side of Mohawk Mine-frog Pond Trail 1219 Comment
  CAS-BOT-BC48389  Ceanothus cuneatus Doris K. Kildale 1929-5-12 7804 Siskiyou Sawyers Bar north fork of Salmon River Comment
  CAS-BOT-BC49193  Ceanothus cuneatus D. E. Breedlove 1962-6-10 3300 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  JEPS42185  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1908-6-20 497 Siskiyou Bulter's Ranch Yreka Comment
  HSC25662  Ceanothus integerrimus J. O. Sawyer 1969-8-18 2020 Siskiyou SE facing midslope near CCC Rd. Comment
  HSC27646  Ceanothus integerrimus Carl W. Mize 1972-6-8 2 Siskiyou Along main trail 328 Comment
  UC18349  Ceanothus integerrimus State Survey 1862-9-9 1363 Siskiyou near Mt. Shasta Comment
  SEINET5339320  Ceanothus integerrimus G. Butler 1910-8-7 1819 Siskiyou Humbug Mountain 1219 Comment
  RSA68934  Ceanothus prostratus A. E. Culbertson 1943-7-17 24 Siskiyou Down the grade on road to town of Shasta from Castle Lake, 5434ft, in N facing ciruqe with an abrupt 1000ft backwall, 14 miles SW of Mt. Shasta on N side of a 6600ft eastern spur of Trinity Mts., 2000ft above Sacramento River within 10 air miles of its headwaters to the W Comment
  UC375366  Ceanothus prostratus Geo. D. Butler 1909-4-24 589 Siskiyou Greenhorn Road Comment
  RSA233696  Ceanothus prostratus Robert F. Thorne 1969-8-10 38946 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  HSC100186  Ceanothus sanguineus J. P. Smith, & J. O. Sawyer 2011-9-3 13404 Siskiyou Along Klamath National Forest Road 47N01. 739 Comment
  OBI80339  Ceanothus sanguineus David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UC163693  Ceanothus sanguineus Geo. D. Butler 1910-6-17 1567 Siskiyou Humbug Mountains 1219 Comment
  RSA593943  Ceanothus velutinus Louis C. Wheeler 1963-9-3 8339 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  CAS-BOT-BC52812  Ceanothus velutinus var. velutinus John Thomas Howell 1939-8-3 15016 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SBBG15939  Centromadia fitchii D. Myrick 1961-6-21 295 Siskiyou hwy 99 just S of Yreka 914 Comment
  HSC19081  Cephalanthera austiniae J. O. Sawyer 1969-7-23 1175 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC30469  Cephalanthera austiniae Frederick W. Oettinger 1969-8-25 1549 Siskiyou Little N Fork Trail, Salmon Mountains 2012 Comment
  POM107576  Cephalanthera austiniae Geo D. Butler 1909-7-15 882 Siskiyou Russian Creek. 1829 Comment
  HSC92356  Cerastium arvense Jennifer Whipple 1976-7-1 1236 Siskiyou Near Durney Lake, W facing slope above lake 2073 Comment
  CDA3359  Cerastium dichotomum J. Di Tomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 m east of intersection with Mulloy Road. 0 Comment
  UCD97996  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 miles east of Montague. Comment
  LA47737  Cercocarpus betuloides Carl B. Wolf; 1934-7-5 5975 Siskiyou Siskiyoiu Mountains, 4 mi. from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout 1066 Comment
  CAS-BOT-BC147682  Cercocarpus betuloides var. betuloides L. E. Smith 1913-5-28 s.n. Siskiyou Yreka Comment
  UC1034587  Cercocarpus betuloides var. macrourus Milo S. Baker and Douglas Barbe 1955-7-1 81 Siskiyou 2.1 mi n of Callahan (at the mouth of Limekiln Gulch); Klamath Mountains, Limekiln Gulch 975 Comment
  HSC90618  Cercocarpus ledifolius var. ledifolius Jennifer Whipple 1976-9-4 1794 Siskiyou Dobkins lake drainage on E facing slopes above Dobkins lake 2256 Comment
  UC165741  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1910-5-10 1166 Siskiyou near Yreka Comment
  UC618748  Cercocarpus ledifolius var. ledifolius W. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park, on the n side of Mount Shasta Shastina Lava Park; Mount Shasta, Shastina Lava Park 2438 Comment
  CAS-BOT-BC276765  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-8 9450 A Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  CAS-BOT-BC276782  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou Between Squaw Valley Creek and Mud Creek Canyon Comment
  CAS-BOT-BC276756  Chaenactis douglasii var. douglasii M. B. Dunkle 1945-8-4 9286 Siskiyou Kings Castle, Klamath Forest 2377 Comment
  POM351689  Chaenactis douglasii var. douglasii E. E. Stanford 1930-6-15 1592 Siskiyou Near Shasta City Comment
  RSA183660  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 216 Siskiyou Front slope of Black Mt., Marble Mts. Comment
  CAS-BOT-BC106033  Chaenactis suffrutescens Antone Q. Soares 1922-6-1 s.n. Siskiyou Cantara Comment
  CAS-BOT-BC106039  Chaenactis suffrutescens H. M. Hall; E. B. Babcock 1903-6-1 4081 Siskiyou Upper part of Shasta Valley - Mount Shasta 1158 Comment
  HSC42228  Chaenactis suffrutescens J. Mastrogiuseppe 1974-9-2 177 Siskiyou Siskyou/Trinity County line; Red Rock Mtn. 2256 Comment
  RSA608267  Chaenactis suffrutescens L. C. Wheeler 1935-6-15 3586 Siskiyou Greenview, Scott Valley. 884 Comment
  UCD19695  Chaenactis suffrutescens Donald W. Kyhos 1965-7-23 65 -278 Siskiyou 50 yards west of junction of Kidder Creek Bridge and Hwy 3 at Greenview. Comment
  SEINET515846  Chamaebatiaria millefolium Vernon Oswald 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  SEINET13289857 Image available Chamaecyparis lawsoniana C. G. Pringle 1882-1 Siskiyou Siskiyou County Comment
  CAS-BOT-BC80491  Chamaecyparis nootkatensis Oliver V. Matthews 1939-6-7 12 Siskiyou above Frog Lake, N.W. Siskiyou Co. 152 Comment
  CAS-BOT-BC160569  Chamerion angustifolium Gilbert Muth 1965-8-12 s.n. Siskiyou 2/3 up meadow on back of Blk. Mt. 2133 Comment
  CHSC66542  Chamerion angustifolium subsp. circumvagum Vernon H. Oswald 1996-7-12 7996 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. At roadside. 1554 Comment
  CAS-BOT-BC68218  Cheilanthes gracillima Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  HSC19171  Cheilanthes gracillima J. O. Sawyer 1969-6-10 808 Siskiyou S face near Sugar Lake 1829 Comment
  CAS-BOT-BC68249  Cheilanthes gracillima Geo. D. Butler 1908-8-5 237 Siskiyou Near Cold Spring West Fork of Woolly Creek Comment
  JEPS85081  Chenopodium W. B. and V. G. Cooke with Ted Graves 1988-8-29 64227 Siskiyou along Andesite Rd (Shasta NF FS-11) Mount Shasta, Shasta National Forest (n side of mt) 1463 Comment
  RSA423238  Chenopodium L. C. Wheeler 1934-6-2 2621 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  CDA3040  Chenopodium botrys T. C. Fuller 1966-10-7 15247 Siskiyou W.W. Cook Nursery, Route 1 Box 328, 2 miles northwest of Mt. Shasta City. 0 Comment
  JEPS90821  Chenopodium simplex Dean W. Taylor 1987-8-9 9292 Siskiyou along Highway 161 (Oregon border) 8.3 mi w from Highway 139 (Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1249 Comment
  HSC27644  Chimaphila menziesii Carl W. Mize 1972-6-22 85 Siskiyou 976 Comment
  RSA120884  Chimaphila menziesii G. D. Barbe 1957-7-13 389 Siskiyou Private road from Big Flat Camp to the Salmon-Trinity Alps Wilderness Area. 1524 Comment
  HSC92971  Chimaphila umbellata Jennifer Whipple 1976-9-3 1767 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2256 Comment
  JEPS25844  Chimaphila umbellata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7469 Siskiyou ca. 2 mi. n.e. Twin Valley, Siskiyou Mt. (along jeep-road to Twin Valley from Poker Flat, ca. 13 mi. n.w. of Happy Camp) 1584 Comment
  UC1505637  Chimaphila umbellata Robert T. Clausen and Harold Trapido 1940-7-26 4960 Siskiyou Mud Creek canyon Mt. Shasta; S. Cascade Mts., Sacramento R. Basin, , Mud Creek 1493 Comment
  UC876121  Chimaphila umbellata Alice Eastwood 1912-7-15 1113 Siskiyou McCloud Comment
  POM132085  Chimaphila umbellata subsp. occidentalis E. B. Copeland 1903-8-15 3828 Siskiyou Mt. Shasta 1829 Comment
  RSA68953  Chimaphila umbellata subsp. occidentalis A. E. Culbertson 1943-7-17 5 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600' eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE. 1524 Comment
  RSA186843  Chloris virgata T. C. Fuller 1966-10-5 15243 Siskiyou at edge of pavement, w. side of Interstate 5 just s. of exit to Hilts. Comment
  SEINET12057288  Chlorogalum pomeridianum F. H. Utech 1978-7-1 78 -264 Siskiyou Klamath National Forest, Young's Valley Comment
  CAS-BOT-BC36378  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-7 2213 Siskiyou Cayenne Ridge, Marble Mountain Comment
  RSA82847  Chrysolepis chrysophylla R Tofsrud, J. Mark Porter 1948-8-3 1774 Siskiyou 6.7 miles (by road) below summit of Happy Camp - Waldo (Oregon) road. Comment
  HSC22114  Chrysolepis sempervirens J. O. Sawyer 1969-8-1 1669 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC8067  Chrysolepis sempervirens Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Trail 1585 Comment
  UC847773  Chrysolepis sempervirens Lewis S. Rose 1937-7-25 37594 Siskiyou Mt. Shasta City 1158 Comment
  CAS-BOT-BC36237  Chrysolepis sempervirens C. H. Merriam 1898-9-1 s.n. Siskiyou north side of Mt. Shasta Comment
  RSA14944  Chrysothamnus parryi subsp. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  UC1539982  Chrysothamnus viscidiflorus subsp. viscidiflorus M. Mitchell 1936-5-19 36 Siskiyou 1.25 mi w Caldwell Butte 1417 Comment
  UC165249  Cicuta douglasii Geo. D. Butler 1908-8-12 456 Siskiyou near Oro Fino Comment
  HSC19003  Cinna latifolia J. O. Sawyer 1969-8-4 1806 Siskiyou Above Sugar Lake 2134 Comment
  LA86550  Cinna latifolia J. M. Tucker; 1963-8-19 3775 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek 1950 Comment
  RSA183464  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1951 Comment
  UC922409  Circaea alpina subsp. pacifica Annie M. Alexander and Louise Kellogg 1949-7-28 5874 Siskiyou Marble Mts., Sky High Valley 1767 Comment
  CDA1028  Cirsium andersonii M. R. Pryor 1950-7-26 s.n.-C Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  JEPS16947  Cirsium andersonii Peter H. Raven 1956-9-4 10377 Siskiyou on the ridge s Mount Eddy 2286 Comment
  CAS-BOT-BC285344  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Between Callahan and Scott Mountain 1524 Comment
  SD110302  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Below a log truck loading area, both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  CAS-BOT-BC105781  Cirsium ciliolatum T. C. Fuller; D. M. Shaw 1977-8-30 20220 Siskiyou South side of Willow Creek road, west slope of Willow Creek Mtn., 21 km. northeast of Montague 1370 Comment
  CAS-BOT-BC278037  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou Near Yreka Comment
  CDA1177  Cirsium cymosum T. C. Fuller 1960-6-29 4644 Siskiyou Callahan; 3.6 mi S/ on hillside by Scott Mtn Rd. 0 Comment
  POM33212  Cirsium cymosum Geo. D. Butler 1910-5-20 1368 Siskiyou Near Yreka. Comment
  CHSC114379  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-20 PDR 1466465 Siskiyou Copco Lake, Ager Beswick Road. Comment
  JEPS95639  Cirsium douglasii var. breweri Vernon H. Oswald and L. Ahart 1994-8-1 6414 Siskiyou T39N R5W Sec. 10, 4400 ft, Yellow Pine Forest. Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou 1341 Comment
  UC398705  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou just n of Shasta City (near Deetz, Strawberry Valley is the old name for the region about Shasta City, type collected in the Strawberry Valley near Mount Shasta Brewer); Strawberry Valley Comment
  CAS-BOT-BC285553  Cirsium occidentale var. candidissimum Louis C. Wheeler 1934-7-16 2908 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  SFV5116  Cirsium occidentale var. candidissimum B. C. Templeton 1957-6-22 s. n. Siskiyou North of Yreka. Comment
  CAS-BOT-BC288778  Cirsium remotifolium Gilbert Muth 1966-8-1 485 Siskiyou Marble Valley Horse Pasture, Marble Mts 1792 Comment
  POM33210  Cirsium scariosum Geo. D. Butler 1910-6-6 1459 Siskiyou Quartz Valley Comment
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Nov 25 2011
  CAS-BOT-BC286471  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CAS-BOT-BC228962  Cistanthe umbellata Elmer I. Applegate 1923-8-13 3860 Siskiyou Top of Redshale Mountain, east of Medicine Lake 2438 Comment
  RSA120892  Clarkia cylindrica subsp. cylindrica Milo S. Baker 1957-6-16 15156 Siskiyou North Coast Ranges: Trip to Scott Mt. a few miles from turn off near Callahan Comment
  CAS-BOT-BC163184  Clarkia lassenensis Elmer I. Applegate 1935-6-6 9348 Siskiyou Indian Well, Lava Beds National Monument Comment
  POM259020  Clarkia lassenensis W. Bridge Cooke 1940-6-4 15023 Siskiyou Along an old logging road on the north side of the mountain near Bolam Station 1220 Comment
  RSA0059898  Clarkia lassenensis J. P. Smith 1974-5-25 7413 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  UC903388  Clarkia purpurea subsp. quadrivulnera Rodney Gregg 1948-6-15 Siskiyou Yreka Comment
  UC930739  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1935-6-27 3609 Siskiyou Greenview Scott Valley 883 Comment
  CAS-BOT-BC164743  Clarkia rhomboidea Wm. Bridge Cooke 1938-6-17 11047 Siskiyou Sisson Southern Trail Comment
  CHSC69323  Clarkia rhomboidea L. E. Detling 1940-7-1 6084 Siskiyou Elk Creek, 1-1/2 mi. s.e. of Happy Camp. Comment
  JEPS33855  Clarkia rhomboidea Gilbert Muth 1966-7-22 432 Siskiyou meadow below Marble Rim; Marble Mt. Wilderness Area 2011 Comment
  CAS-BOT-BC94894  Clarkia rhomboidea R. C. Wenk 2005-7-15 196 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail 1645 Comment
  HSC19168  Clarkia rhomboidea J. O. Sawyer 1969-7-9 1220 Siskiyou On trail to S Sugar Lake 1692 Comment
  POM32374  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou Near Hawkinsville Comment
  RSA237658  Clarkia rhomboidea Frederick W. Oettinger 1969-7-28 1086 Siskiyou Dry open granite slope above first part of Tom s Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC163720  Claytonia exigua subsp. exigua Geo. D. Butler 1909-3-28 678 Siskiyou near Yreka Comment
  JEPS43305  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-3-26 681 Siskiyou Oro Fino Comment
  CAS-BOT-BC439625  Claytonia parviflora subsp. parviflora Carl B. Wolf 1927-8-26 1090 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  UC163722  Claytonia perfoliata subsp. intermontana Geo. D. Butler 1908-8-2 66 Siskiyou Shackleford Creek Comment
  UC726455  Claytonia rubra subsp. rubra A. A. Heller 1919-6-27 13277 Siskiyou Metcalf's Comment
  CAS-BOT-BC92757  Clematis ligusticifolia Alice Eastwood 1912-7-23 1349 Siskiyou Cantara. Comment
  CAS-BOT-BC92763  Clematis ligusticifolia Doris K. Kildale 1928-7-1 5318 Siskiyou Forks of Salmon. Comment
  RSA332446  Clematis ligusticifolia J. P. Smith, Steve Selva 1970-7-16 4412 Siskiyou Beaver Creek Campground 823 Comment
  SEINET5337781  Clematis ligusticifolia G. Butler 1910-8-3 1810 Siskiyou Yeelan Creek. Comment
  CHSC2251  Clintonia uniflora V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1219 Comment
  CAS-BOT-BC499970  Clintonia uniflora Lillian Mott 1976-7-4 33 LM76 Siskiyou On trail to spring, Cook & Green Pass 1463 Comment
  UCD13225  Clintonia uniflora Clyde Byfield 1973-7-2 S 219 Siskiyou Klamath National Forest, beside Kidder Creek, 0.5 mile west of Hayes Cabin on U.S.F.S. trail 11W23, 41 deg 30 min N, 123 deg 07 min. 1524 Comment
  UC1733721  Collinsia Frank Gould, Kay H. Beach 1940-5-15 1248 Siskiyou Bald Mtn Comment
  CAS-BOT-BC238057  Collinsia A. M. Vollmer; L. Beane 1951-6-2 76 Siskiyou Happy Camp, Klamath River Highway Comment
  CAS-BOT-BC238060  Collinsia Alice Eastwood 1921-7-28 10878 Siskiyou Medicine Lake Comment
  JEPS86076  Collinsia linearis Wayne Roderick 1966-6-26 Siskiyou w of Copper Butte (e along trail to Copper Butte); Cook and Green Pass area Comment
  UC1483450  Collinsia linearis Maralyn A. Renner 1980-6-23 990 Siskiyou Klamath National Forest, West Fork Seiad creek West Fork Seiad creek; Klamath National Forest, West Fork Seiad creek 877 Comment
  RSA78685  Collinsia linearis Philip A. Munz 1952-7-2 17876 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  HSC36892  Collinsia parviflora J. P. Smith 1974-5-26 7536 Siskiyou Along FS 47N03, Chandler Glade 1768 Comment
  SBBG6871  Collinsia parviflora J. M. Tucker 1947-5-17 1556 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  HSC44716  Collinsia rattanii J. O. Sawyer, E. Cope 1977-6-18 2913 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  JEPS3846  Collinsia torreyi var. latifolia Duncan Dunning 1921-7-16 Siskiyou nw Hambone (se Siskiyou Co.); Toad Mtn. Comment
  JEPS74523  Collinsia torreyi var. latifolia W. J. Ferlatte 1966-6-22 99 Siskiyou between the campground and Carter's, along South Fork Salmon River Carter's; Trinity Alps, South Fork Salmon River 1524 Comment
  RSA12500  Collinsia torreyi var. latifolia Carl B. Wolf 1934-7-4 5936 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13.5 mi. from Horse Creek Bridge on Klamath River. 1524 Comment
  CAS-BOT-BC229542  Collomia diversifolia Louis C. Wheeler 1934-7-6 2889 Siskiyou Hungry Creek 1097 Comment
  HSC46223  Collomia grandiflora Jennifer Whipple 1978-6-5 2334 Siskiyou Weston Gulch in Scott Valley 854 Comment
  JEPS71017  Collomia grandiflora Ruby Van Deventer 1938-7-31 192 Siskiyou on Del Norte-Siskiyou boundary Summit Siskiyou Mts. 1158 Comment
  UCSB24733  Collomia grandiflora Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 8 miles north of Happy Camp; Siskiyou Mts. 487 Comment
  UC1409300  Collomia tinctoria Frederick W. Oettinger 1969-7-11 969 Siskiyou along trail from English Lake to Diamond Lake (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC45974  Collomia tracyi J. P. Smith, Steve Selva 1970-6-15 3898 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  CAS-BOT-BC180418  Comandra umbellata subsp. californica Alice Eastwood 1912-7-23 1315 Siskiyou Dunsmuir Comment
  UC63990  Corallorhiza maculata Geo. B. Grant September, 1902 5155 Siskiyou Mount Shasta 1219 Comment
  HSC19041  Corallorhiza maculata J. O. Sawyer 1969-7-25 1554 Siskiyou SW facing slope S of High Lake 2149 Comment
  NY68299  Cordylanthus pallescens F. W. Pennell 1940-7-18 26184 Siskiyou Route 99. 2-3 miles N of Mount Shasta City. 1158.2 Comment
  JEPS74931  Cordylanthus tenuis subsp. pallescens T. I. and F. M. Chuang 1975-7-21 7546 Siskiyou near sw base Black Butte (along hwy 5) 1066 Comment
  CHSC105578  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16233 Siskiyou Ney Springs Road east of Lake Siskiyou; population intermittent along road starting 0.6 miles east of road 20M020 and extending at least to 1.2 miles. Lat. and Long. indicated +/- 36 feet. 932 Comment
  CAS-BOT-BC105084  Cordylanthus tenuis subsp. viscidus R. C. Wenk 2008-7-25 949 Siskiyou Road to Kangaroo Lake, 4.3 miles S of turnoff from Gazelle-Callahan Rd. 1615 Comment
  RSA523462  Cordylanthus tenuis subsp. viscidus L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1968-8-13 2123 Siskiyou Along Dunsmuir Avenue, just over a mile south of Dunsmuir (downtown). 823 Comment
  POM78077  Cornus glabrata Geo. D. Butler 1909-9-26 974 Siskiyou Along creek near Yreka. Comment
  UC1280736  Cornus glabrata H. E. McMinn 1931-6-26 2511 Siskiyou near Dunsmuir Comment
  UC165258  Cornus glabrata Geo. D. Butler 1908-7-1 89 Siskiyou Yreka Creek Comment
  CAS-BOT-BC212272  Cornus glabrata A. A. Heller 1922-6-22 13666 Siskiyou Along the Pacific Highway on a stream bank on the slope of the siskiyou Mountains near the Oregon line. Comment
  CAS-BOT-BC212062  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  JEPS50158  Cornus nuttallii W. L. Jepson July 1894 14140 Siskiyou Sisson Comment
  SFV5174  Cornus nuttallii B. C. Templeton 1960-6-21 8540 Siskiyou Klamath Mountains Scott Mountains, about 1 mile north of Siskiyou-Trinity County line. Canyon side. 1525 Comment
  UC165289  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  CAS-BOT-BC210391  Cornus sericea Edward Lee 1934-8-13 1072 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1371 Comment
  CAS-BOT-BC210424  Cornus sericea John Thomas Howell 1939-8-3 14978 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CDA4038  Coronilla varia G. D. Barbe, T. C. Fuller 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. 0 Comment
  UC375261  Corylus californica Geo. D. Butler 1908-11-2 1076 Siskiyou Forest House road Comment
  HSC19274  Corylus cornuta subsp. californica J. O. Sawyer 1968-6-18 235 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC36606  Corylus cornuta subsp. californica Brent Whitely 1975-7-3 130 Siskiyou 1220 Comment
  POM106652  Corylus cornuta var. californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain. Comment
  POM270390  Corylus cornuta var. californica Lyman Benson 1929-3-26 1070 Siskiyou Shoulder of Mt. Shasta Pacific Highway. Comment
  SEINET196193  Crataegus douglasii R. S. Ferris, L Lorraine 1948-6-12 11822 Siskiyou E fork of Scott River Drainage; Parker Ranch; Plowman's (Noyes) Valley 1204 Comment
  HSC101716  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13266 Siskiyou Along the Oregon Stage Road, south of the bridge with its intersection with Callahan-Gazelle Road. 823 Comment
  CAS-BOT-BC290476  Crepis acuminata John Thomas Howell 1937-7-22 13331 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC299654  Crepis monticola E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1930 Siskiyou About 8 mi. south of Yreka 822 Comment
  UC429491  Crepis monticola Morris Halperin 1930-5-17 Siskiyou around Yreka (Geo. Gray of Yreka, prop. of ranch); Schulmeyer Gulch Comment
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May 9 2008
  UC581300  Crepis occidentalis G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2441 Siskiyou stream bank 2 1/2 mi ne Fort Jones (along hwy to Yreka) 850 Comment
  RSA75628  Crepis occidentalis subsp. conjuncta Albert M. Vollmer, L. Beane 1951-5-31 28 Siskiyou Scott Mountain Comment
  CAS-BOT-BC290841  Crepis occidentalis subsp. pumila H. M. Hall; E. B. Babcock 1903-6-1 4116 Siskiyou Sierra Nevada Mountains. Mount Shasta. Near Sheep Rock 1524 Comment
  CAS-BOT-BC376472  Crepis pleurocarpa Gilbert J. Muth 1969-8-6 1256 Siskiyou Boulder Peak Ridge Comment
  CAS-BOT-BC290867  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-19 2438 Siskiyou On Park's Creek 1 mi. below Stewarts Springs 1120 Comment
  CAS-BOT-BC290873  Crepis pleurocarpa G. P. Rixford No date on label s.n. Siskiyou South side Shaft-rock [Shaft Rock] Mt., Hilt Comment
  CAS-BOT-BC290879  Crepis pleurocarpa Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  POM211803  Crepis pleurocarpa L. C. Wheeler 1934-8-16 3168 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1921 Comment
  UC581271  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2434 Siskiyou on creek 1 mi below Stewart Springs; Park's Creek 1120 Comment
  CHSC71279  Crocidium multicaule Vernon H. Oswald; Lowell Ahart 1998-6-11 9197 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  UC857042  Cryptantha affinis A. A. Heller 1916-6-20 12397 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  JEPS116598  Cryptantha ambigua Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -014 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Weed (unburned area within Hotlum Fire perimeter burned in Feb 2006 4 miles NE of town of); Mt. Shasta 1127 Comment
  UC164155  Cryptantha flaccida Geo. D. Butler 1910-5-7 1298 Siskiyou Yreka Comment
  UC79409  Cryptantha flaccida Katharine Brandegee Jul 1887 Siskiyou Ager Comment
  RSA695874  Cryptantha intermedia D. W. Taylor 1995-6-4 14968 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest. (ca. 10 miles north of Weed). 1159 Comment
  UC933385  Cryptantha torreyana Annie M. Alexander and Louise Kellogg 1948-9-7 5589 Siskiyou Black Bear Summit, at fork of road from Cecilville to first lookout Siskiyou Mountains 1524 Comment
  POM63493  Cryptantha torreyana Geo. D. Butler 1910-5-8 1310 Siskiyou Near Yreka. Comment
  HSC19422  Cryptogramma acrostichoides J. O. Sawyer 1968-9-9 666 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  POM210950  Cryptogramma acrostichoides L. C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  HSC34491  Cryptogramma acrostichoides J. D. Ackerman 1974-8-18 431 Siskiyou Ridge above mine near Cyclone Gap and Copper Mtn. in the Preston Peak area 1524 Comment
  UCD78125  Cryptogramma cascadensis Robert E. Preston 2001-6-23 1579 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  RSA176220  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou 100 yards NE of Quarry in Sec. 25 SW/4 SW/4 NE/4 Fall River Mills quad 1110 Comment
  UC650676  Cupressus bakeri Oliver V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove , North-westerly Grove (Goose Nest Region) 1524 Comment
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Oct 13 2013
  SEINET10834035  Cupressus bakeri John Thomas Howell 1934-7-4 Howell 12386 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley. Comment
  UC879584  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  RSA749208  Cymopterus terebinthinus var. californicus K. M. Meyer, A. Townesmith 2007-8-2 185 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  HSC28081  Cymopterus terebinthinus var. californicus J. D. Ackerman, A. Montalvo 1973-7-27 109 Siskiyou Along Sacramento River near Mt. Shasta City Comment
  CDA37842  Cynoglossum officinale Ashley Knight 2012-7-16 PDR# 470 P06027571 Siskiyou Slightly west of Slagger Camp, Shasta/Trinity National Forest. 0 Comment
  RSA13860  Cyperus bipartitus L. C. Wheeler 1934-8-31 3229 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Lund Ranch, W Fork Beaver Creek. 1066 Comment
  UC1755212  Cypripedium californicum Dean William Taylor 1972-7-3 1605 Siskiyou At Cook and Green Pass, in White Fir Forest 1371 Comment
  CDA39517  Cypripedium montanum D. Osterhandt 1979-6-1 s.n. Siskiyou Sawyers Bar. 0 Comment
  CDA18395  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2767 Siskiyou Klamath Ranges; North side of the river, north side of road 2 miles (3.2 km) east of Callahan at Hwy 3 bridge over the East Fork Scott River. 987 Comment
  CHSC33  Cystopteris fragilis V. Holt 1960-5-1 Siskiyou Castle Lake. 1706 Comment
  UC1483412  Cystopteris fragilis Maralyn A. Renner 1980-7-23 1841 Siskiyou near ridge about 1 mi e of Cook and Green Pass; Klamath Nat'l Forest, Seiad Valley Quadrangle, Pacific Crest 1752 Comment
  CAS-BOT-BC189810  Dactylis glomerata Douglas Barbe 1955-7-1 075 Siskiyou Klamath Mountains. 1.3 mile east of Etna on the Westide Road to Callahan. 853 Comment
  CAS-BOT-BC189811  Dactylis glomerata Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley. 822 Comment
  CDA31646  Danthonia unispicata Gordon Leppig 1998-8-13 1000 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  RSA239121  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC76241  Darlingtonia californica Peter H. Raven 1956-9-5 10440 Siskiyou North Fork of the Sacramento River. 2194 Comment
  CHSC30182  Darlingtonia californica M. S. Taylor 1980-6-23 2942 Siskiyou On e side of 39N45 in Soapstone Gulch, ca. 2 mi s ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  RSA120876  Darlingtonia californica Unspecified 1955-7-9 160 Siskiyou 0.25 mile north of Kangaroo Lake on Rail Creek, Scott Mountains 1829 Comment
  RSA698850  Darlingtonia californica Leo Miller 1938-06 s.n. Siskiyou Siskiyou Mountains [Siskiyou or Del Norte counties]. 854 Comment
  CAS-BOT-BC420667  Darmera peltata George B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  HSC76908  Dasiphora fruticosa K. T. Stillman 1976-9-10 500 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  UC1190171  Datisca glomerata Ira L. Wiggins 1955-7-21 13426 Siskiyou 7 mi above Cecilville (near Mount View Ranch, on South Fork Salmon River); South Fork Salmon River 975 Comment
  CAS-BOT-BC9573  Delphinium antoninum Alice Eastwood; John Thomas Howell 1937-6-26 5036 Siskiyou Salmon Mts., 10 miles SW of Etna Comment
  CAS-BOT-BC8952  Delphinium decorum subsp. tracyi Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Summit of Salmon Mtn. Comment
  CAS-BOT-BC8969  Delphinium depauperatum Lincoln Constance; Reed Clark Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles west of Yreka, Klamath-Siskiyou Region 1219 Comment
  RSA183669  Delphinium glaucum Gilbert Muth 1965-8-2 144 Siskiyou Marble Valley; Marble Mts. Comment
  POM99313  Delphinium nudicaule Geo. D. Butler 1909-4-18 599 Siskiyou Humbey Mt. 1220 Comment
  CAS-BOT-BC116175  Delphinium nuttallianum H. A. Thomas; J. H. Thomas 1954-7-25 4522 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek meadow, About 9 miles E of Cecilville. 1981 Comment
  RSA120770  Delphinium nuttallianum S. S. Tillett 1956-7-9 651 Siskiyou E side of Scott Mtn; Siskiyou Trinity County line; 8 miles SE of Callahan. 1890 Comment
  UCD61120  Deschampsia cespitosa A. H. Murphy 1954-8-11 54 -E Siskiyou Round Meadow. 1676 Comment
  UCD61159  Deschampsia cespitosa Beecher Crampton 1956-8-21 3820 Siskiyou South slope of Gumboot Lake, headwater of the south fork of the Sacramento River, ca. 15-16 miles southwest of Mt. Shasta City. 1920 Comment
  CHSC60568  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-26 596 Siskiyou Siskiyou Mountains; at Poker Flat, lower portion of a meadow. 1524 Comment
  JEPS117870  Deschampsia cespitosa subsp. cespitosa Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -023 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake, headwaters of Middle Fork of upper Sacramento River 2118 Comment
  POM207073  Deschampsia cespitosa subsp. cespitosa Th. Holm 1903-9-6 3798 Siskiyou Mt Eddy Comment
  CAS-BOT-BC192466  Deschampsia cespitosa subsp. cespitosa Louis C. Wheeler 1934-8-14 3128 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  UC651085  Deschampsia cespitosa subsp. cespitosa L. Whitney 1933-8-2 Siskiyou Slate Creek Comment
  CAS-BOT-BC201637  Deschampsia danthonioides A. A. Heller 1915-7-18 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  HSC77066  Descurainia incisa subsp. incisa K. T. Stillman 1976-8-7 188 Siskiyou Marble Mtn. Wilderness Area. Comment
  UC855985  Descurainia sophia A. A. Heller 1916-6-22 12524 Siskiyou near Sisson 1074 Comment
  POM369575  Descurainia sophia L. C. Wheeler 1934-6-2 2620 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  HSC8349  Dicentra formosa William J. Ferlatte 1967-6-5 497 Siskiyou Big Flat, near public camp 1524 Comment
  JEPS91305  Dicentra formosa Dean W. Taylor 1972-7-4 1595 Siskiyou near Lily Pad Lake 3 miles west of Cook & Green Pass 1981 Comment
  HSC629  Dicentra formosa William J. Ferlatte 1966-7-7 218 Siskiyou N side of Caribou Mtn., near Browns Meadow 1982 Comment
  CAS-BOT-BC402476  Dicentra formosa subsp. formosa L. E. Smith 1912-7-1 s.n. Siskiyou Between Castella & Dunsmuir railroad track Comment
  CAS-BOT-BC402549  Dicentra pauciflora Philip A. Munz 1952-7-2 17914 Siskiyou Rd. to Baldy Mt., ca. 6 air-line miles w. of Happy Camp, Siskiyou Mts. 1554 Comment
  POM109856  Dichelostemma ida-maia Geo D. Butler 1909-7-15 s.n. Siskiyou Russian Creek. 1829 Comment
  SEINET7096732  Dichelostemma multiflorum A. G. Vestal 1963-6-3 s.n. Siskiyou Slope with lava boulders south of Gazelle along Willow Creek. NAD27, 41? deg. 28' 22ao, -122?_ 35' 00ao (converted to WGS84 decimal degrees) UTM Zone 10, 534802mE, 4591101mN. Comment
  UC375189  Dichelostemma multiflorum Geo. D. Butler 1908-6-29 117 Siskiyou near Oro Fino Comment
  CAS-BOT-BC500994  Dichelostemma multiflorum A. A. Heller 1919-6-27 13275 Siskiyou Mecalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC299764  Dieteria canescens var. canescens M. B. Dunkle 1945-8-2 9281 Siskiyou Kings Castle, Klamath Forest 2286 Comment
  CAS-BOT-BC131053  Dimeresia howellii Elmer I. Applegate 1935-6-10 9487 Siskiyou South cinder slope of Caldwell Butte, Lava [Brds] Beds National Monument Comment
  CHSC1777  Diplacus layneae M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC153447  Diplacus layneae L. E. Smith 1913-7-1 432 Siskiyou Dunsmuir Comment
  CAS-BOT-BC153457  Diplacus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills 1524 Comment
  SEINET8245390  Diplacus nanus David M. Thompson 1989-6-28 1022 Siskiyou 10.0 mi ne of Weed along Hwy 97, nw side of road. 1150 Comment
  CDA6687  Dipsacus fullonum T. C. Fuller 1959-7-9 2911 Siskiyou West of Highway 99, north limits Mt. Shasta City. 0 Comment
  RSA520565  Disporum hookeri var. hookeri Michael A. Hanson 1990-5-22 82 Siskiyou On Indian Creek Road, 14.3 miles (23 km) NW of the intersection of Indian Creek Road and Hwy 96 (Happy Camp). Comment
  RSA577801  Disporum hookeri var. hookeri Louis C. Wheeler 1934-8-10 3104 Siskiyou Siskiyou Mountains, Jaynes Canyon 1128 Comment
  RSA238737  Dodecatheon alpinum Frederick W. Oettinger 1969-7-10 965 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UCD77606  Dodecatheon alpinum Robert E. Preston 2001-6-23 1609 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  RSA238726  Dodecatheon alpinum subsp. majus Frederick W. Oettinger 1966-8-7 45 Siskiyou Below Tom Taylor Cabin Springs. The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. 2043 Comment
  CHSC75743  Dodecatheon jeffreyi Vernon H. Oswald; Lowell Ahart 1999-7-5 9826 Siskiyou Summit of Hwy. 3 on Scott Mtn. southeast of Callahan. 1645 Comment
  RSA211273  Dodecatheon jeffreyi William J. Ferlatte 1966-6-22 72 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  CAS-BOT-BC26728  Downingia bacigalupii John H. Weiler; Andrew Phillips Nelson 1960-6-24 60205 Siskiyou Side of Dorris-Beswick road, 207 miles SW of the California-Oregon border. Comment
  JEPS14471  Downingia montana W. L. Jepson 1940-7-3 20099 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  UC1188734  Downingia montana John H. Weiler, L. Constance, and E. Molseed 1960-6-15 60178 Siskiyou about 300 ft off Highway 99 (just n of the bridge over the Sacramento River, at the n end of Lake Shasta (Antler Resort area)); Lake Shasta, Antler Resort Area 396 Comment
  JEPS15222  Downingia pulcherrima Rimo Bacigalupi with L. Constance and M. Hiroe 1956-6-9 5696 Siskiyou 1.5 mi wnw Weed (along U.S. Highway 99, southern reaches of the Shasta Valley); Shasta Valley 975 Comment
  CAS-BOT-BC41757  Draba howellii John Thomas Howell 1939-8-10 15249 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC41763  Draba howellii Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains. Summit of Marble Mountain. Comment
  HSC101870  Draba howellii R. D. Whittlesey 2013-6-5 7 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1514 Comment
  HSC44974  Draba howellii J. O. Sawyer, E. Cope 1977-6-20 2974 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  HSC61207  Draba howellii Al Hobart Siskiyou El Capitan 1829 Comment
  SBBG27384  Draba verna L. C. Wheeler 1935-4-18 3430 Siskiyou Greenhorn Crk; Siskiyou Mtns 1005 Comment
  UC455949  Draperia systyla I. J. Condit 1911-7-7 Siskiyou Shasta Retreat, along Rail Road 1066 Comment
  UCD113085  Drymocallis glandulosa Lynette Renouf 1992-5-31 24 Siskiyou Shasta Trinity National Forest, SW of Mt. Shasta, along the south fork of the Sacramento River. Comment
  UC165264  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1909-5-31 779 Siskiyou Humbug Creek Comment
  UC1045252  Drymocallis pseudorupestris var. saxicola W. Bridge Cooke 1940-7-26 15372 Siskiyou w side Shastina; Mount Shasta, w side of Shastina Comment
  UC1593362  Dryopteris expansa Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2540 Siskiyou at base of entrance pit Fossil Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  JEPS49934  Dudleya cymosa subsp. cymosa W. S. Kleaver 1921-1 Siskiyou Yreka Comment
  HSC4381  Dysphania botrys R. C. Wunner 1965-9-1 496 Siskiyou Lava Beds National Monument, 1 mi. S of NW Ranger Station. 1220 Comment
  UCD98724  Dysphania botrys A. A. Heller 1916-8-24 12564 Siskiyou near Sisson. 1077 Comment
  CAS-BOT-BC197244  Echinochloa muricata Dorothy Parker 1948-8-24 87 Siskiyou Plowman's Valley, East Fork of Scott River 1066 Comment
  UCD169261  Elaeagnus angustifolia T. Bruchman 1978-7-1 299 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  UC1265385  Eleocharis decumbens Frederick W. Oettinger and R. F. Thorne 1969-8-4 1181 Siskiyou just N of Tobacco Lake (High Lake Basins in vicinity of English Peak); Salmon Mountains, Western Siskiyou Mountains, Marble Mountai 1889 Comment
  CAS-BOT-BC113350  Eleocharis engelmannii Doris K. Kildale 1928-7-25 5890 Siskiyou Klamath River at Mack's Creek near Hamburg Comment
  JEPS107385  Eleocharis rostellata Lowell Ahart, John Dittes 2005-6-10 12097 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA69474  Elodea nuttallii L. C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC213784  Elymus X hansenii Doris K. Kildale 1928-8-20 6594 Siskiyou Lily Pad Lake on trail to Marble Mt. near Hancock Lookout 1981 Comment
  CAS-BOT-BC227914  Elymus elymoides Peter H. Raven 1956-9-4 10421 Siskiyou Summit of Mt. Eddy 2758 Comment
  SEINET10564673  Elymus elymoides A. Arthur Heller 1905-6-19 Heller 8071 Siskiyou Grenada Station. Comment
  SEINET4135472  Elymus elymoides subsp. brevifolius Jennifer J. Whipple 1976-7-8 1339 Siskiyou North slopes of Mount Eddy.; 0 2438 Comment
  HSC22476  Elymus elymoides var. elymoides J. O. Sawyer 1969-8-1 1640 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC206609  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-8-24 9105 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  UCD62333  Elymus glaucus subsp. glaucus Robert E. Preston 2001-6-30 1660 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  SJSU11312  Elymus hispidus S. H. Casey 1981-7-3 1205 Siskiyou near mouth of O'Neal Creek tributary of the Klamath River c. 4 mi W of Seiad Valley 426 Comment
  RSA198621  Elymus multisetus Geo D. Butler 1910-7-3 1632 Siskiyou Goosenest Foothills 1220 Comment
  UCD62506  Elymus multisetus Beecher Crampton 1969-6-19 8469 Siskiyou 3 miles north of Weed along Interstate Hwy. 5. Comment
  RSA783702  Elymus riparius Barbara L. Wilson, Richard Brainerd 2010-8-4 16208 Siskiyou Forest Service road 41N26, the Eddy Creek Road, 2.8 mi above junction with Old Stagecoach Road (study site 11). 1280 Comment
  RSA598061  Epilobium Louis C. Wheeler 1963-8-31 8326 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  CAS-BOT-BC94895  Epilobium angustifolium R. C. Wenk 2006-9-2 547 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, above Big Conrad Gulch 1950 Comment
  RSA237654  Epilobium angustifolium subsp. circumvagum Frederick W. Oettinger 1967-8-21 314 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  RSA31203  Epilobium brachycarpum W. Bridge Cooke 1940-7-12 15331 Siskiyou Along the Memorial Highway 1372 Comment
  HSC22465  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-7-23 1446 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1524 Comment
  UC873338  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1942-9-5 16276 Siskiyou near MacBride Springs; Mt. Shasta Comment
  POM46292  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1910-6-22 1598 Siskiyou Yreka Creek. Comment
  RSA126051  Epilobium ciliatum subsp. ciliatum I. L. Wiggins 1955-7-22 13450 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  SEINET12873233  Epilobium ciliatum subsp. ciliatum G. D. Butler 1910-6-22 1598 Siskiyou Ireka Creek Comment
  POM258979  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1940-8-2 15394 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  RSA215612  Epilobium clavatum Gilbert Muth 1969-8-6 1229 Siskiyou East side of Boulder Peak Ridge 2470 Comment
  UC220958  Epilobium densiflorum H. E. Brown Jul 15 1897-Jul 31 1897 566 Siskiyou s side Mt. Shasta 1524 Comment
  HSC36424  Epilobium hallianum J. O. Sawyer 1969-7-18 1158 Siskiyou E of Waterdog Lake 2012 Comment
  JEPS75884  Epilobium hallianum W. J. Ferlatte 1966-6-22 95 Siskiyou between campground and Carter's; Trinity Alps, South Fork of Salmon River 1524 Comment
  HSC60820  Epilobium minutum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  SEINET3149901  Epilobium paniculatum G. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  UC399179  Equisetum X ferrissii Geo. D. Butler 1908-7-16 250 Siskiyou Klamath River Comment
  SFV12226  Equisetum arvense E. L. Smith 1967-5-22 s. n. Siskiyou City of Mount Shasta. Swampy area by railroad tracks. 1086 Comment
  RSA602818  Eragrostis cilianensis L. C. Wheeler 1935-7-20 3674 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC204628  Eragrostis mexicana subsp. virescens R. E. Frenkel 1963-7-13 220 Siskiyou On Everitt Memorial Highway, 1.0 mile north of McCloud River RR crossing near Mount Shasta 1219 Comment
  UC166479  Eragrostis mexicana subsp. virescens Geo. D. Butler 1909-10-3 869 Siskiyou near Yreka Comment
  HSC67515  Eremogone congesta J. P. Smith, Steve Selva 1970-7-15 4360 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC81555  Eremogone congesta Thomas W. Nelson, Jane P. Nelson 1980-7-20 6166 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  RSA0045089  Eremogone congesta R. F. Thorne 1969-8-2 63335 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. 1159 Comment
  CAS-BOT-BC174228  Eremogone congesta var. congesta Geo. D. Butler 1910-7-13 1772 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC168846  Eremogone congesta var. congesta Milo S. Baker 1926-8-8 242 -26 Siskiyou Between Red Mt. and Granite Peak 2194 Comment
  CAS-BOT-BC174232  Eremogone congesta var. congesta Louis C. Wheeler 1934-8-2 3023 Siskiyou Klamath National Forest. Jaynes Canyon 2072 Comment
  POM39569  Ericameria bloomeri Geo. D. Butler 1908-9-25 502 Siskiyou Goosenest foothills 1524 Comment
  POM57939  Ericameria bloomeri E. B. Copeland 1903-9-8 3922 Siskiyou Igerna 1159 Comment
  UC1188089  Ericameria bloomeri Philip A. Munz 1960-8-22 24172 Siskiyou Panther Meadows Mt. Shasta, Panther Meadows 2286 Comment
  SEINET7846069 Image available Ericameria bloomeri M. J. Williams 1985-8-14 85- 69 -1 Siskiyou SE side of Medicine Lake 2286 Comment
  CAS-BOT-BC287497  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Klamath Forest 1859 Comment
  HSC75372  Ericameria greenei J. O. Sawyer, M. Mesler 1980-8-10 4028 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  RSA237445  Ericameria greenei Frederick W. Oettinger 1968-8-22 590 Siskiyou English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  RSA237450  Ericameria greenei Frederick W. Oettinger 1967-8-24 322 Siskiyou Near lookout, along trail on west slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  OBI55414  Ericameria greenei David J. Keil, Kathleen Keil 1992-7-21 23547 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 3.6 mi W of Scott Mountain rd (Hwy 3). Comment
  CAS-BOT-BC294403  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  UCR92627  Erigeron Kathy Harper, D. Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  UC485174  Erigeron aphanactis var. aphanactis M. K. Curran 1887-7-1 Siskiyou Edgewood Comment
  RSA261540  Erigeron bloomeri J. M. Tucker, L. K. Mann 1963-8-18 3765 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  CHSC57412  Erigeron bloomeri var. bloomeri L. P. Janeway 1984-6-22 874 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  UC609333  Erigeron bloomeri var. bloomeri Eleanor Burks Hart 1938-8-18 932 Siskiyou Boulder Peak 2529 Comment
  POM35931  Erigeron bloomeri var. bloomeri Geo. D. Butler 1910-5-16 1350 Siskiyou Yreka. Comment
  HSC22451  Erigeron cervinus J. O. Sawyer 1969-7-25 1520 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  JEPS84321  Erigeron cervinus L. R. Heckard with J. Hickman et al. 1986-7-17 6477 Siskiyou above and w of Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  HSC41811  Erigeron compositus Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  HSC46718  Erigeron compositus William J. Ferlatte 1976-9-22 1859 Siskiyou Dorleska summit 2134 Comment
  CAS-BOT-BC297163  Erigeron concinnus var. concinnus Elmer I. Applegate 1929-6-18 5737 Siskiyou About 5 miles north of Edgewood, Shasta Valley Comment
  JEPS22364  Erigeron filifolius W. L. Jepson 1940-6-23 19993 Siskiyou e of Mayten (on e side of valley); Little Shasta Valley 883 Comment
  UC904778  Erigeron filifolius W. Bridge Cooke 1949-8-26 25680 Siskiyou along logging road above Bolam Station; Mount Shasta 1828 Comment
  HSC59017  Erigeron foliosus var. confinis Marvin Butler 1971-8-11 272 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1769 Comment
  UC1483472  Erigeron foliosus var. confinis Maralyn A. Renner 1980-8-7 2426 Siskiyou ridge s Preston Peak; Preston Peak Quad. 1950 Comment
  OBI80360  Erigeron glacialis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  SD76176  Erigeron glacialis var. glacialis Helen V. Witham 1969-10-6 559 Siskiyou Kanaroo Lake, Scott Mountains 2100 Comment
  HSC623  Erigeron glacialis var. glacialis William J. Ferlatte 1966-7-7 210 Siskiyou NW side of Caribou Mtn. 1829 Comment
  HSC72381  Erigeron greenei J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8965 Siskiyou 1/2 mile N of Siskiyou County line on Hwy. 3 Comment
  CAS-BOT-BC295388  Erigeron inornatus Alice Eastwood 1912-9-4 2098 Siskiyou Sisson Comment
  JEPS101305  Erigeron inornatus var. inornatus Dean W. Taylor 1999-8-12 17309 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1371 Comment
  UC917219  Erigeron inornatus var. inornatus R. Tofsrud and J. M. Tucker 1948-8-2 1755 Siskiyou outskirts of McCloud Comment
  HSC30278  Erigeron inornatus var. inornatus William J. Ferlatte 1971-9-19 1386 Siskiyou N flank of Caribou Mtn. 1829 Comment
  JEPS104787  Erigeron klamathensis Dean W. Taylor 1996-7-7 15809 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  UC556436  Erigeron linearis R. D. Roseberry 1936-5-21 Siskiyou 1 mi ne Whitney Butte; Modoc Lava Beds 1447 Comment
  CAS-BOT-BC295808  Erigeron petrophilus var. viscidulus Douglas Barbe 1959-7-4 532 Siskiyou North shore of Caribou Lk., about 4 mi SW of Big Flat Camp, Klamath Nat'l Forest 2103 Comment
  RSA696015  Erigeron petrophilus var. viscidulus Barbara Ertter 1990-7-14 9328 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 airmiles W of Mt. Shasta City. 1951 Comment
  UC179498  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou e side Mt. Eddy 2499 Comment
  CAS-BOT-BC300086  Erigeron philadelphicus Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC300094  Erigeron philadelphicus J. H. Thomas 1949-6-16 945 Siskiyou 1/4 mile north of Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest Comment
  UC135491  Erigeron pumilus var. intermedius A. A. Heller 1905-6-19 8063 Siskiyou Grenada Comment
  HSC17407  Eriogonum compositum var. compositum Dorothy Parker 1949-7-10 344 Siskiyou Siskiyou Mtns., 2 mi. from summit of Salmon Mtn. 1829 Comment
  SJSU2594  Eriogonum compositum var. compositum H. L. Buckalew 1962-7-12 Siskiyou Poker Flat c. 3 mi W of junction of Indian Crwith W Branch Indian Cr, Siskiyou Mts 1127 Comment
  HSC49951  Eriogonum congdonii G. L. Clifton, Ground 1978-7-2 1800 Siskiyou Near Scott Mtn. Summit 1705 Comment
  RSA0004987  Eriogonum diclinum Louis C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  CAS-BOT-BC261213  Eriogonum hirtellum Rimo Bacigalupi; L. Constance; L. R. Heckard 1960-7-20 7458 Siskiyou Between Indian Creek drainage, N. Fk. Twin Valley Creek and Illinois Riv. drainage (Dunn Creek), boundary line - Del Norte and Siskiyou Counties 1615 Comment
  CAS-BOT-BC261219  Eriogonum hirtellum Freed W. Hoffman 1948-7-8 2597 Siskiyou North of West Branch Camp, Waldo-Happy Camp Road Comment
  CAS-BOT-BC259366  Eriogonum lobbii Doris K. Kildale 1928-8-20 6618 Siskiyou Hancock Lookout, on trail to Marble Mt. 13 Comment
  CAS-BOT-BC263663  Eriogonum luteolum var. luteolum Louis C. Wheeler 1934-6-28 2811 Siskiyou Beaver Creek at West Fork, Siskiyou Mts. 701 Comment
  RSA233650  Eriogonum maculatum Robert F. Thorne 1969-8-10 38985 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CHSC98891  Eriogonum marifolium L. P. Janeway; B. Castro 2007-7-29 9143 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  JEPS56778  Eriogonum marifolium Chesnut and Drew July 1891 Siskiyou Mt. Shasta-Lassen Comment
  CHSC110786  Eriogonum marifolium var. cupulatum Dean Wm. Taylor 2012-8-22 21301 Siskiyou Mt. Shasta vicinity; Pilgrim Creek Snowmobile Park, growing on the north shoulder Pilgrim Creek Road (Forest Road 12) about 200 meters east thereof; Shasta-Trinity National Forest. 1210 Comment
  CAS-BOT-BC261677  Eriogonum nudum var. nudum Doris K. Kildale 1929-8-23 8805 Siskiyou Young's Valley, trail to Preston Peak 1524 Comment
  HSC19506  Eriogonum nudum var. nudum J. O. Sawyer 1969-9-12 2005 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  RSA105481  Eriogonum nudum var. nudum Douglas Barbe 1955-6-28 9 Siskiyou 0.2 mile north of Callahan. 976 Comment
  RSA237756  Eriogonum nudum var. nudum Frederick W. Oettinger 1967-8-21 301 Siskiyou Along Pine Lake Trail. Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2024 Comment
  CAS-BOT-BC272497  Eriogonum nudum var. pubiflorum Reed C. Rollins; T. S. Chambers 1938-8-15 2723 Siskiyou 3 miles south of Weed 914 Comment
  HSC17324  Eriogonum nudum var. pubiflorum C. B. Wolf 1927-8-26 1024 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  RSA66347  Eriogonum nudum var. pubiflorum F. W. Peirson 1923-7-19 4209 Siskiyou Whitney Creek, Mt. Shasta. Comment
  SEINET3160017  Eriogonum nudum var. pubiflorum G. D. Butler 1910-6-26 1605 Siskiyou near Yreka Comment
  CAS-BOT-BC272475  Eriogonum nudum var. pubiflorum Laura M. Lathrop 1908-7-10 s.n. Siskiyou Shasta Retreat Comment
  HSC17326  Eriogonum nudum var. pubiflorum D. M. Thomson 1965-7-10 130 Siskiyou Lava Beds N.M., 0.5 mi. S of Cauldwell Butte along main rd. Comment
  CHSC71312  Eriogonum ovalifolium var. purpureum Vernon H. Oswald 1998-6-27 9240 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. Meadow. 1402 Comment
  JEPS128833  Eriogonum siskiyouense Julie Kierstead Nelson with Rhonda Posey 2017-7-18 2017 -045 Siskiyou Eastern Klamath Ranges; Forest Service Road 41N14 Y, 0.1 mile west of Parks Creek Road (County Road 17). Comment
  NY323543  Eriogonum siskiyouense E. L. Greene 1876-8-22 s.n. Siskiyou On Scott Mountain 2743.2 Comment
  SEINET3405023 Image available Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou Kangaroo Divide, above Kangaroo Lake Comment
  RSA601669  Eriogonum sphaerocephalum Louis C. Wheeler 1935-6-29 3625 Siskiyou Yreka. 808 Comment
  UC1442635  Eriogonum sphaerocephalum var. halimioides William J. Ferlatte 1978-5-28 1905 Siskiyou hills ne Yreka (0.4 mi e of Interstate 5, 0.2 mi n of Hwy. 3 on way to Montague) 830 Comment
  CAS-BOT-BC263385  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  JEPS93922  Eriogonum strictum var. proliferum Vernon H. Oswald and Lowell Ahart 1998-8-3 9407 Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 0.2 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  SEINET7459646 Image available Eriogonum sulphureum Unknown 1927-1 14443 Siskiyou 5 mi. S. of Yreka. The type region. Comment
  HSC66393  Eriogonum umbellatum Maralyn A. Renner 1980-6-24 1059 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  HSC61798  Eriogonum umbellatum Ruby Van Deventer 9 Aug [year missing] Siskiyou Poker Flat 1585 Comment
  SEINET13710392  Eriogonum umbellatum Lowell William Ahart, Lowell William Ahart 1998-1 9320 Siskiyou Hwy. 97 at The 11 Mi. Marker 1.2 Mi. W of A12 NW of Weed (T43N, R4W, sec 35, NE 1/4) 3900 Ft. 1189 Comment
  CAS-BOT-BC268147  Eriogonum umbellatum var. humistratum John Thomas Howell 1937-7-29 13631 Siskiyou Scott Mt. between Siskiyou and Trinity cos. Comment
  CAS-BOT-BC268157  Eriogonum umbellatum var. humistratum Mrs. H. P. Bracelin 1931-6-21 455 Siskiyou North side of Mt. Eddy above Dobkin's Lake 2133 Comment
  CHSC67583  Eriogonum umbellatum var. humistratum James D. Jokerst 1992-7-30 3416 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  JEPS110482  Eriogonum umbellatum var. modocense Robert E. Preston 2001-7-21 1708 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2026 Comment
  CAS-BOT-BC265198  Eriogonum umbellatum var. nevadense Frank W. Peirson 1923-7-19 3711 Siskiyou Near Bray Comment
  POM165271  Eriogonum umbellatum var. polyanthum E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook. Comment
  HSC77563  Eriogonum umbellatum var. stellatum L. P. Janeway 1983-9-11 660 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC262374  Eriogonum vimineum W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahans Comment
  CAS-BOT-BC262381  Eriogonum vimineum Elmer I. Applegate 1935-8-3 10007 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  RSA165230  Eriogonum vimineum E. B. Copeland 1903-7-5 3538 Siskiyou Klamathon. Comment
  SEINET5332086  Eriogonum vimineum G. Butler 1910-6-17 1572 Siskiyou Dry hill near Yreka. Comment
  CAS-BOT-BC112325  Eriophorum crinigerum William Bridge Cooke 1940-6-6 15054 Siskiyou Among rocks on the shores of Castle Lake. 1676 Comment
  CAS-BOT-BC376589  Eriophorum crinigerum Andrew Townesmith; Karen M. Meyer 2007-8-1 883 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  OBI53732  Eriophyllum lanatum David J. Keil 1992-7-19 23465 Siskiyou Klamath NF. Salmon Mtn Summit on Sawyers Bar Rd, SW of Etna 1816 Comment
  CAS-BOT-BC301121  Eriophyllum lanatum var. achilleoides John Thomas Howell 1937-7-29 13650 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC301140  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-20 12479 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  JEPS34499  Eriophyllum lanatum var. achilleoides W. L. Jepson 1940-6-23 20004 Siskiyou n of Mt. Shasta; Andesite station 975 Comment
  RSA106204  Eriophyllum lanatum var. achilleoides D. D. Keck 1953-7-31 6535 Siskiyou Deer Mountain Service Station, 3.5 mi. S of Grass Lake. Comment
  UC163896  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1908-4-30 688 Siskiyou dry hills near Yreka Comment
  CAS-BOT-BC301103  Eriophyllum lanatum var. achilleoides J. H. Thomas 1954-5-14 4182 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville between Lat. 41 deg. 03' and 41 deg. 06'N., and Long. 122 deg. 58' and 123 deg. 03' W. 1219 Comment
  CAS-BOT-BC301109  Eriophyllum lanatum var. achilleoides D. H. Johnson; F. G. Palmer 1935-5-16 s.n. Siskiyou Caves eleven miles northeast of Weed 1097 Comment
  CAS-BOT-BC301120  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-21 E 84 Siskiyou 1 mile south of Hornbrook Comment
  CAS-BOT-BC301136  Eriophyllum lanatum var. achilleoides L. Constance 1940-6-4 15027 Siskiyou Mount Shasta. Along the Bolam Road and US97 Comment
  RSA48585  Eriophyllum lanatum var. achilleoides P. A. Munz 1949-5-18 13309 Siskiyou 2 miles southwest of Gazelle. Comment
  RSA75642  Eriophyllum lanatum var. achilleoides Albert M. Vollmer, L. Beane 1951-6-2 40 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  RSA92292  Eriophyllum lanatum var. achilleoides F. W. Peirson 1923-7-19 3915 Siskiyou Open Tableland 17 miles north of Bray Comment
  CAS-BOT-BC308278  Eriophyllum lanatum var. integrifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11860 Siskiyou 2.4 miles below summit of Gazelle Mt. grade, east side 1417 Comment
  CHSC331  Eriophyllum lanatum var. integrifolium V. Holt 1943-8-15 Siskiyou Marble mountains. 1219 Comment
  JEPS34745  Eriophyllum lanatum var. integrifolium Geo. D. Butler 1908-8-3 344 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 Comment
  RSA215650  Eriophyllum lanatum var. integrifolium Gilbert Muth 1969-8-6 1189 Siskiyou Boulder Park. 2530 Comment
  UC1190273  Eriophyllum lanatum var. integrifolium Ira L. Wiggins 1955-7-29 13585 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake) 1999 Comment
  CAS-BOT-BC301716  Eriophyllum lanatum var. lanceolatum H. A. Thomas; J. H. Thomas 1954-7-21 4391 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1036 Comment
  JEPS84050  Eriophyllum lanatum var. lanceolatum L. R. Heckard with J. Hickman et al. 1986-7-17 6479 Siskiyou along road above and w Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  RSA183490  Eriophyllum lanatum var. lanceolatum J. M. Tucker, L. K. Mann 1963-8-18 3763 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  RSA50226  Eriophyllum lanatum var. lanceolatum E. K. Balls 1949-7-9 13933 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  SEINET3892024  Eriophyllum lanatum var. lanceolatum P. Burchstead 2008-6-12 16340 Siskiyou Scott Valley, South Kidder Creek, Klamath Region; west of Greenview on north side of Hwy 3, between Ft. Jones and Etna.; 0 860 Comment
  UC1084738  Eriophyllum lanatum var. lanceolatum Douglas Barbe 1957-7-14 392 Siskiyou s Big Flat Camp (gravel border of river); Salmon River 1524 Comment
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  UC1971396  Eriophyllum lanatum var. lanceolatum Louis C. Wheeler 1958-8-18 7399 Siskiyou Mt. View Mine, West Fork Seiad Creek. Comment
  UC1540015  Erodium cicutarium Mitchell 1936-5-14 22 Siskiyou Canby Cross Lava Beds National Monument 1249 Comment
  UC1559630  Eryngium articulatum Beth Corbin 1989-8-8 530 Siskiyou ca. 15 air mi. n. Fall R. Mills (Adobe Flat); Adobe Flat 1097 Comment
  CAS-BOT-BC54586  Erysimum capitatum G. B. Rossbach 1938-6-24 11073 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  CAS-BOT-BC54591  Erysimum capitatum George Dexter Butler 1909-5-8 724 Siskiyou Near Yreka. Comment
  HSC81578  Erysimum capitatum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6091 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  CAS-BOT-BC55108  Erysimum perenne John Thomas Howell 1937-7-29 13636 Siskiyou Scott Mountain, between Siskiyou and Trinity Counties. Comment
  CAS-BOT-BC153749  Erythranthe alsinoides R. C. Barneby 1954-5-16 11519 Siskiyou Scott R. canyon 11 mi. above Scott Bar 670 Comment
  SEINET8340793  Erythranthe breweri J. M. Tucker 1974-7-28 4315 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  SD88375  Erythranthe guttata Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp Comment
  RSA28186  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  HSC27347  Erythronium grandiflorum subsp. grandiflorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5699 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC375278  Eschscholzia californica Geo. D. Butler 1908-6-23 1063 Siskiyou near Yreka Comment
  UC54478  Eschscholzia californica H. M. Hall and E. B. Babcock June, 1903 4082 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta 1158 Comment
  RSA184656  Eucephalus ledophyllus var. covillei Clare B. Hardham 1965-08 13005 Siskiyou Near Cudahy Lakes, Marble Mountains 1524 Comment
  HSC473  Eucephalus ledophyllus var. ledophyllus William J. Ferlatte 1966-8-3 298 Siskiyou Yellow Rose Mine 1982 Comment
  HSC93864  Eucephalus ledophyllus var. ledophyllus Jennifer Whipple 1977-8-4 2158 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  JEPS9608  Euonymus occidentalis var. occidentalis Geo. D. Butler 1908-8-22 407 Siskiyou Eldredge's corral Russian Creek 1219 Comment
  UCD77519  Euphorbia glyptosperma Robert E. Preston 2003-7-30 2172 Siskiyou Ca. 17.3 mi NE of McCloud, at Trout Creek Campground. 1486 Comment
  CDA35309  Euphorbia spathulata J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  CAS-BOT-BC310635  Eurybia radulina Alice Eastwood 1921-7-24 10786 Siskiyou Castle Lake Comment
  UC163873  Euthamia occidentalis Geo. D. Butler 1908-9-25 500 Siskiyou near Montague; Shasta River Comment
  UCD98901  Fallopia japonica T. C. Fuller 1968-8-1 17452 Siskiyou N.E. corner of Siskiyou Ave. and Interstate 5 freeway. Along Siskiyou Ave., n. limits of Dunsmuir. Comment
  HSC103039  Festuca arundinacea J. P. Smith 2014-6-7 13897 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  SEINET10560462  Festuca californica A. Arthur Heller 1905-6-1 Heller 7944 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  RSA239113  Festuca idahoensis Frederick W. Oettinger 1968-8-8 452 Siskiyou Crapo Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CAS-BOT-BC278878  Festuca occidentalis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest. N. Hungry Cr. 1219 Comment
  JEPS121760  Festuca occidentalis B. Castro and L. P. Janeway 2007-7-29 1671 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of the N-facing slope. Ca 150 ft up old Rd43N39 (now closed) from jcn with its A spur, in the old road-bed on semi-shaded red fir forest floor. Comment
  UC922370  Festuca roemeri Annie M. Alexander and Louise Kellogg 1949-7-22 5844 Siskiyou trail to Kings Castle, top of ridge Marble Mountains, Paradise Lake 2072 Comment
  UC1735838  Festuca viridula Dean W. Taylor 1999-8-12 17311 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  UC1483518  Fragaria vesca John Palmer 1980-8-12 735 Siskiyou road to Bearground Spring (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad. 1341 Comment
  UC726536  Fragaria vesca A. A. Heller 1916-6-20 12406 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  UC54341  Fragaria virginiana subsp. platypetala H. M. Hall and E. B. Babcock 1903-6-18 4135 Siskiyou Pole Canyon Sierra Nevada Mountains (ne Shasta County) 1463 Comment
  HSC100197  Frangula californica J. P. Smith, & J. O. Sawyer 2011-9-6 13421 Siskiyou Along East Moffett Creek Road 983 Comment
  CAS-BOT-BC53418  Frangula californica subsp. occidentalis Doris K. Kildale 1929-7-20 8655 Siskiyou trail up South Fork, Indian Creek to Elk Lick Comment
  CAS-BOT-BC60020  Frangula purshiana Carl B. Wolf 1927-8-27 1116 Siskiyou On the Klamath River, Happy Camp. Comment
  CAS-BOT-BC60019  Frangula purshiana W. R. Dudley 1901-8-25 s.n. Siskiyou Creek along Callahan's. Comment
  SJSU6482  Frasera albicaulis R. W. Trivelpiece 1972-6-9 96 Siskiyou c. 4 mi E of Grass L 1524 Comment
  CAS-BOT-BC376592  Fraxinus dipetala Andrew Townesmith; Karen M. Meyer 2007-8-3 894 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  CAS-BOT-BC502844  Fritillaria atropurpurea Ira L. Wiggins 1950-5-28 12382 -A Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  UC672099  Fritillaria pudica D. Tebbe 1930-3-28 69 Siskiyou near Weed Comment
  CAS-BOT-BC506206  Fritillaria pudica Geo. D. Butler 1910-3-11 1121 Siskiyou Yreka hills 914 Comment
  HSC40207  Fritillaria pudica J. P. Smith 1976-5-21 8756 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  HSC36901  Fritillaria recurva J. P. Smith 1974-5-26 7542 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC637127  Galium ambiguum var. siskiyouense Edward Lee 1934-8-13 1061 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, watershed of West Branch of Indian Comment
  UC164088  Galium bolanderi Geo. D. Butler 1908-7-19 999 Siskiyou Humbug Creek Comment
  HSC27630  Galium bolanderi Carl W. Mize 1972-6-21 65 Siskiyou 305 Comment
  SBBG18847  Galium bolanderi C. B. Hardham 1961-7-2 8050 Siskiyou Scott River Comment
  HSC104303  Galium glabrescens subsp. glabrescens Dana York 2012-7-21 3143 Siskiyou Rogue River-Siskiyou National Forests; Siskiyou Mountains, Red Buttes Wilderness, a few meters below summit of Red Butte 2043 Comment
  HSC90594  Galium glabrescens subsp. glabrescens Jennifer Whipple 1977-7-22 2036 Siskiyou Mt. Eddy, Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  UC1211891 Image available Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan); ; Siskiyou Co. 1828 Comment
  UCSB17420  Galium serpenticum subsp. scotticum Hardham, Clare 1961-7-3 Siskiyou treeline, Scott River, southwest of Calahan Comment
  UC139339  Galium trifidum Copeland 1903-8-13 3888 Siskiyou Sisson Comment
  UC618722  Galium trifidum W. Bridge Cooke 1938-7-29 11414 Siskiyou in narrow stream between two meadows Mt. Shasta, Wagon Camp Comment
  UC416664  Galium trifidum var. pusillum Milo S. Baker Aug. 1897 143 Siskiyou Payne's Springs Comment
  SBBG25845  Galium triflorum D. Myrick 1966-8-10 1522 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  RSA184795  Galium triflorum Gilbert Muth 1966-7-29 461 Siskiyou By waterfall. Marble Valley. Marble Mtns. 1799 Comment
  CAS-BOT-BC182245  Garrya fremontii C. B. Wolf 1931-9-2 s.n. Siskiyou 4 miles above junction of McCloud Road with the Pacific Highway 1188 Comment
  CAS-BOT-BC182266  Garrya fremontii Carl B. Wolf 1927-8-27 1136 Siskiyou On the Klamath River, at mouth of Crawford Creek Comment
  HSC27761  Garrya fremontii J. P. Smith, J. O. Sawyer 1972-9-13 5792 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  UC166165  Garrya fremontii Geo. D. Butler 1910-3-10 1125 Siskiyou near Yreka Comment
  SEINET3144594  Garrya fremontii G. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreba 1067 Comment
  RSA238360  Gaultheria ovatifolia Frederick W. Oettinger 1968-8-5 414 Siskiyou Common along the northern shoreline of Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA597979  Gaultheria ovatifolia L. C. Wheeler 1963-8-29 8302 Siskiyou Siskiyou Mountains. West fork Clear Creek. 1341 Comment
  UC1409238  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co. high lake basins in vicinity of English Peak) 1889 Comment
  UC1714622  Gayophytum diffusum subsp. parviflorum Milo S. Baker 126 Siskiyou near Medicine Lake; Payne's Springs Comment
  RSA237850  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-18 1431 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA13839  Gayophytum heterozygum Louis C. Wheeler 1934-7-5 2890 Siskiyou Hungry Creek. Siskiyou Mtns. Mt. Diablo Meridian. 1372 Comment
  HSC92087  Gayophytum humile Jennifer Whipple 1976-7-9 1387 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UCD18944  Gayophytum ramosissimum A. H. Murphy 1956-8-14 56 E Siskiyou Klamath National Forest, Little Mill Creek Meadows. 2011 Comment
  POM130608  Gentiana calycosa E. B. Copeland 1903-8-18 3829 Siskiyou Mt. Eddy 2287 Comment
  JEPS24352  Gentiana plurisetosa Geo. D. Butler 1908-8-3 419 Siskiyou Log Lake Shackelford Creek 1737 Comment
  LA205553  Gentiana setigera C. C. Harris; S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670.0 Comment
  CAS-BOT-BC123769  Gentianella amarella subsp. acuta Copeland 1903-9-6 s.n. (= no. 3849 of C.F. Baker's distribution) Siskiyou Mt. Eddy Comment
  CHSC675  Geranium oreganum 1936-6-23 Siskiyou Mt. Shasta City. 1066 Comment
  JEPS44854  Geum triflorum Geo. D. Butler 1909-6-23 922 Siskiyou Goosenest Mountain Comment
  POM140064  Geum triflorum var. ciliatum Geo. D. Butler 1909-6-23 922 Siskiyou Goosenest Foothills. Comment
  HSC49902  Gilia capitata subsp. capitata Maralyn O'Meara 1974-5-25 437 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  HSC22314  Glyceria elata J. O. Sawyer 1969-8-5 1774 Siskiyou W of Little Duck Lake 2073 Comment
  HSC26629  Glyceria elata J. P. Smith, Steve Selva 1970-6-16 4061 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  POM211403  Glyceria leptostachya L. C. Wheeler 1934-6-26 2797 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  RSA238349  Glyceria striata Frederick W. Oettinger 1969-9-4 1654 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA238377  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1283 Siskiyou Upper edge of Sundew Bog, English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC302668  Gnaphalium palustre Alice Eastwood 1921-7-25 10813 Siskiyou Bigelows, McCloud River Comment
  UC61683  Gnaphalium palustre Geo. B. Grant 1902-9-1 5088 Siskiyou Sisson Northern California, Mount Shasta 1066 Comment
  SEINET8770785 Image available Gnaphalium palustre G. D. Bulter 1910-6-12 1560 Siskiyou Yreka Creek Comment
  UC13544  Goodyera oblongifolia W. C. Blasdale 1894-8-8 Siskiyou Shasta Springs Comment
  RSA749204  Grindelia camporum var. camporum K. M. Meyer, A. Townesmith 2007-7-27 165 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  JEPS116878  Gypsophila paniculata var. paniculata David Gowen 2007-7-11 777 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Comment
  SBBG16536  Hackelia californica D. Myrick 1961-6-19 264 Siskiyou rd to Mt Shasta Ski Bowl 1828 Comment
  CDA40631  Hackelia californica J. R. Grisham & D. H. Shaw 1978-6-17 s.n. Siskiyou Old Stage Road, south of Mount Shasta City. 0 Comment
  HSC810  Hackelia micrantha William J. Ferlatte 1967-7-26 737 Siskiyou Caribou Basin 1982 Comment
  JEPS84096  Hackelia setosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  UC1222246  Hackelia setosa Joseph P. Tracy 1951-6-16 19470 Siskiyou near Oregon-California State Line (on the Takilma-Happy Camp Road); Takilma-Happy Camp Road Comment
  CLARK-A1528-5608  Haplopappus racemosus subsp. glomeratus John C. Roos 1948-9-1 3954 Siskiyou Fort Jones Comment
  HSC30446  Hastingsia alba Frederick W. Oettinger, R. F. Thorne 1969-8-8 1301 Siskiyou Marble Mountain Wilderness Area, Sundew Bog in English Lake Basin 1829 Comment
  JEPS25856  Hastingsia alba Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7488 Siskiyou 6.2 mi above and sw Callahan (seven mi below and ne of road summit on road from Cecilville to Callahan) Comment
  CDA39327  Hastingsia alba C. S. Giebner 1964-7-3 s.n. Siskiyou Coley property, Edgewood. 0 Comment
  CDA6451  Helenium autumnale T. C. Fuller 1958-8-13 1234 -58 Siskiyou 10 miles south of Fort Jones, Scott Valley. 0 Comment
  SBBG8384  Helenium bigelovii H. and M. Dearing 1939-6-30 3756 Siskiyou rd from Callahan to Trinity Alps 1828 Comment
  CAS-BOT-BC306732  Helenium bigelovii Wm. Bridge Cooke 1940-7-5 15260 Siskiyou Mount Shasta. Throughout Wagon Camp Comment
  CAS-BOT-BC306748  Helenium bigelovii H. A. Thomas; J. H. Thomas 1954-7-23 4454 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Growing between Mt. View Cabin and S. Fork of Salmon River 914 Comment
  CAS-BOT-BC305314  Helianthella Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC313448  Hemizonella minima Elmer I. Applegate 1935-6-8 9418 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC69403  Heracleum maximum Maralyn A. Renner 1980-8-8 2434 Siskiyou Rattlesnake Meadow 1646 Comment
  JEPS1674  Hesperochiron californicus Doris Utz 1934-4-18 Siskiyou Etna Comment
  SD40655  Hesperocyparis bakeri Carl B. Wolf 1944-10-29 Siskiyou northwest side of Goose Nest Mountain, about 1 mile due south of Old Smith Sawmill on Montague to Mount Hebron Road 1675 Comment
  SJSU3566  Heterocodon rariflorum D. Funnell 1965-7-13 142 Siskiyou c. 2 mi SE of Bartle on State Rte 89 1158 Comment
  POM52143  Heterotheca oregona var. rudis Geo D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  CAS-BOT-BC312297  Heterotheca villosa var. minor Gilbert Muth 1965-8-4 s.n. Siskiyou Near the marble, Marble Valley Comment
  CAS-BOT-BC420735  Heuchera merriamii Gilbert Muth 1966-1-1 308 Siskiyou Marble Mts. Comment
  RSA0063200  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. 2043 Comment
  HSC26104  Heuchera micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5675 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC44501  Heuchera micrantha K. Irwin 1977-5-22 389 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  CAS-BOT-BC424178  Heuchera micrantha var. erubescens W. B. C. 1940-7-12 15319 Siskiyou Box Canyon of the Sacramento near Mount Shasta City Comment
  UCD19520  Heuchera rubescens Charlotte K. Glenn 1967-1 137 Siskiyou Castle Lake 1584 Comment
  SBBG25850  Hieracium albiflorum D. Myrick 1966-8-8 1493 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  SD98940  Hieracium albiflorum Darley F. Howe 1977-7-2 Siskiyou Scott River resort Area. 609 Comment
  CAS-BOT-BC318543  Hieracium greenei W. R. Dudley 1899-8-9 s.n. Siskiyou Foot of Black Butte Comment
  CAS-BOT-BC318549  Hieracium greenei Alice Eastwood 1921-7-30 10994 Siskiyou Soda Creek Comment
  HSC42931  Hieracium greenei Ken Stillman 1976-8-31 451 Siskiyou E and N sides of Williams Point 366 Comment
  UC1731305  Hieracium greenei Dean W. Taylor 1997-7-25 15845 Siskiyou Klamath Region, Scott Mountains, Klamath National Forest, Crater Lake in cirque above upper lake Crater Lake; Klamath Region, Scott Mountains, Klamath National Forest 2331 Comment
  RSA608270  Hieracium greenei L. C. Wheeler 1935-7-23 3687 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  UCSB63903  Hieracium nudicaule Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56) 3.7 mi. east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave; T42N R4E NE1/4 NE1/4 Sect. 6 1755 Comment
  RSA211520  Hieracium scouleri William J. Ferlatte 1966-8-3 275 Siskiyou Josephine Lake basin. 1677 Comment
  UC1408806  Hieracium triste Robert F. Thorne and Fred Oettinger 1969-8-10 38975 Siskiyou s slope of Mt. Shasta, Panther Creek Meadows; Mount Shasta National Forest 2194 Comment
  HSC60908  Hieracium triste Al Hobart Siskiyou Black Butte Comment
  HSC90218  Hieracium triste Michael P. Murray 1991-7-20 1 Siskiyou Marble Mountain Wilderness Area; On ridge between Kings Castle and Jumpoff 2088 Comment
  HSC23604  Holodiscus discolor J. O. Sawyer 1970-7-15 2351 Siskiyou Above Bear Lake 1585 Comment
  HSC58952  Holodiscus discolor Marvin Butler 1971-7-29 240 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  CAS-BOT-BC152374  Holodiscus discolor var. discolor Milo S. Baker 1923-8-14 256 -b Siskiyou Camp 6, Smith River Division, Siskiyou National Forest Comment
  CAS-BOT-BC152380  Holodiscus discolor var. discolor Doris K. Kildale 1929-7-20 8575 Siskiyou South east spur Preston Peak 1950 Comment
  CAS-BOT-BC152358  Holodiscus discolor var. discolor E. R. Drew 1916-6-1 s.n. Siskiyou Squaw Creek Ranger Station, Shasta Creek Comment
  CAS-BOT-BC150130  Holodiscus microphyllus var. glabrescens Geo. B. Grant 1902-9-1 5111 Siskiyou Horse Camp, Mt. Shasta 2743 Comment
  CAS-BOT-BC150131  Holodiscus microphyllus var. glabrescens A. A. Heller 1914-8-28 11730 Siskiyou East side of Mt. Eddy 2499 Comment
  HSC26577  Holodiscus microphyllus var. glabrescens J. P. Smith 1972-8-18 5750 Siskiyou Medicine Lake Glass Flow 2012 Comment
  CAS-BOT-BC289280  Hordeum brachyantherum subsp. brachyantherum L. P. Janeway 1983-8-26 590 Siskiyou At Poker Flat, Siskiyou Mountains 1524 Comment
  CHSC91223  Hordeum depressum Lowell Ahart; John Dittes 2005-6-9 12042 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC273496  Hordeum vulgare John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53378 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC143948  Horkelia daucifolia Lewis S. Rose 1945-6-18 45067 Siskiyou Horse Creek & Klamath River 502 Comment
  SEINET3156785  Horkelia daucifolia G. D. Butler 1910-5-4 1272 Siskiyou near Yreka Comment
  CAS-BOT-BC143958  Horkelia daucifolia Lincoln Constance; Reed C. Rollins 1942-5-13 2913 Siskiyou Scott River 2 miles south of Scott Bar 548 Comment
  HSC49900  Horkelia daucifolia var. daucifolia Maralyn O'Meara 1974-5-25 439 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  HSC12273  Horkelia fusca var. brownii Richard Spjut 1970-7-18 471 Siskiyou 8 mi. E of Mt. Shasta just off Hwy. 89 1220 Comment
  HSC28087  Horkelia fusca var. brownii J. D. Ackerman, A. M. Montalvo 1973-7-20 105 Siskiyou 3.7 mi. W of McCloud along Hwy. 89 Comment
  RSA3819  Horkelia fusca var. brownii A. A. Heller 1927-8-1 14435 Siskiyou S side of Mt. Shasta, near Shasta City (Sisson). Comment
  SEINET9161337  Horkelia fusca var. brownii L. Ahart, V. Oswald 1997-7-28 8800 .1 Siskiyou Pumice Stone Well, on FR 15, 0.2 mile S of Medicine Lake Road. 1905 Comment
  CAS-BOT-BC514281  Horkelia fusca var. pseudocapitata Wm. Bridge Cooke; V. G. Cooke 1970-7-22 42689 Siskiyou Andesite road, 0.5 mi above US-97, Mt. Shasta. 1371 Comment
  RSA166288  Horkelia tridentata Donald Myrick 1961-6-22 315 Siskiyou On Hwy 89 near McCloud. 915 Comment
  JEPS102922  Horkelia tridentata subsp. flavescens Thomas W. Nelson and Jane P. Nelson 1983-7-29 7527 Siskiyou Scott Mountain Summit campground; Scott Mountain 1645 Comment
  SEINET5327382  Hosackia crassifolia var. crassifolia G. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  JEPS16952  Hulsea nana Peter H. Raven 1956-9-4 10425 Siskiyou summit Mount Eddy 2758 Comment
  HSC36952  Hydrophyllum capitatum var. alpinum J. P. Smith 1974-5-26 7589 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  RSA420883  Hydrophyllum fendleri var. albifrons M. B. Dunkle 1944-06 9041 Siskiyou Wet seepage bank. Comment
  HSC93039  Hydrophyllum occidentale Jennifer Whipple 1976-6-12 985 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2317 Comment
  UC24095  Hydrophyllum occidentale unknown Jun 1896 Siskiyou Squaw [illegible]; Mt. Diablo Base 121 W 1066 Comment
  UCSB24600  Hydrophyllum tenuipes Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC400991  Hypericum anagalloides Alice Eastwood 1921-7-29 10968 Siskiyou Medicine Lake Comment
  UC164264  Hypericum anagalloides Geo. D. Butler 1908-8-3 52 Siskiyou Shackleford Creek, Log Lake Comment
  HSC36738  Hypericum perforatum Brent Whiteley 1975-6-17 1 Siskiyou 223 Comment
  UCD110385  Hypericum perforatum subsp. perforatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Etna, near Etna Bridge. 1066 Comment
  CAS-BOT-BC401469  Hypericum scouleri Carl B. Wolf 1927-8-26 1074 Siskiyou On the Klamath River, near Hamburg Comment
  CAS-BOT-BC206831  Iliamna bakeri L. Constance 1940-7-12 15337 Siskiyou Along Memorial Highway, Mount Shasta. 1524 Comment
  UC23327  Ipomopsis aggregata unknown 1862-9-13 1368 Siskiyou near Mt. Shasta Upper Sacramento Comment
  HSC27669  Iris tenuissima Carl W. Mize 1972-6-8 21 Siskiyou Along the main trail 351 Comment
  HSC36670  Iris tenuissima Brent Whiteley 1975-7-3 134 Siskiyou 1220 Comment
  RSA136363  Iris tenuissima Lee W. Lenz 1953-5-17 18314 Siskiyou 1 mile above junction of Salmon and Klamath Rivers on Klamath River 183 Comment
  RSA724918  Isatis tinctoria L. P. Janeway 2006-7-3 8768 A Siskiyou Klamath Ranges. Salmon Mountains; SW side of Taylor Lake Trailhead Road 0.8 km S of the main road; S-facing bowl at the head of Taylor Creek. 1804 Comment
  SEINET10735771  Isatis tinctoria Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 896 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  HSC26229  Isatis tinctoria J. P. Smith, J. O. Sawyer 1972-5-28 5364 Siskiyou 5 mi. S of Etna on Hwy. 3 915 Comment
  SEINET3148773  Isatis tinctoria G. D. Butler 1910-6-7 1534 Siskiyou Scott River Comment
  SEINET5342454  Isatis tinctoria T. H. Gilbert s.n. Siskiyou Scott Valley. Comment
  JEPS83820  Isoetes echinospora Wayne Roderick July 1976 Siskiyou vicinity of Cook & Green Pass (in Lily Pad Lake); Siskiyou Mts., Lily Pad Lake 1828 Comment
  CAS-BOT-BC142866  Ivesia pickeringii Kevin Sawyer; John Sawyer; Jane Cole; J. P. Smith 1976-9-5 8970 Siskiyou 2.5 miles north of Trinity-Siskiyou Co. line on State Route 3. 1524 Comment
  HSC85693  Ivesia pickeringii J. P. Smith 1980-8-24 10345 Siskiyou Klamath National Forest. SR 3, 2.7 miles from Scott Mtn. summit, at road to Carmen Lake 1341 Comment
  CHSC40150  Juncus covillei L. P. Janeway 1983-8-26 612 Siskiyou At Poker Flat. NW part of meadow near dirt road. 1524 Comment
  RSA238919  Juncus covillei Frederick W. Oettinger 1969-8-18 1419 Siskiyou NW side of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  UC642527  Juncus drummondii unknown 1939-8-24 13900 Siskiyou near Squaw Valley Creek w branch; Mount Shasta 2286 Comment
  HSC74815  Juncus dubius J. P. Smith 1978-7-1 9995 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  CHSC40145  Juncus ensifolius L. P. Janeway 1983-8-3 482 Siskiyou Seep area along edge of dirt rd ca 350 m n of West Branch Guard Sta. 670 Comment
  JEPS24611  Juncus ensifolius Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6764 Siskiyou in the 1.5 mi stretch between Shasta Retreat (at n outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs (along S.P. (Shasta Route) railway grade); Upper Sacramento River Canyon 731 Comment
  HSC60811  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1372 Comment
  UCD77270  Juncus howellii Robert E. Preston 2002-6-21 1872 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1691 Comment
  HSC22185  Juncus mertensianus J. O. Sawyer 1969-8-5 1748 Siskiyou W of Little Duck Lake 2073 Comment
  HSC30678  Juncus mertensianus Frederick W. Oettinger 1969-8-22 1501 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  RSA22088  Juncus mertensianus J. T. Howell 1939-8-5 15063 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  UC70440  Juncus mertensianus Milo S. Baker 1899-8-1 Siskiyou e slope Mt. Shasta; Ash Creek 1828 Comment
  UCD77272  Juncus mertensianus Robert E. Preston 2001-6-23 1611 a Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  RSA238910  Juncus mertensianus Frederick W. Oettinger 1969-8-22 1501 Siskiyou On the south side of Horses Hole Pond above Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC1618218  Juncus nevadensis Barbara Ertter 1990-7-16 9377 Siskiyou along ridge ca 1-2 mi from Parks Cr trailhead (= crest of Rt 17) (nw side of mt., ca 8 air mi sw of Weed); Mt. Eddy 2286 Comment
  HSC82380  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4534 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS74120  Juncus occidentalis Geo. D. Butler 1910-7-9 1697 Siskiyou Shackleford Creek 1219 Comment
  UC144671  Juncus parryi Wm. M. Canby 1897-9-7 297 Siskiyou Mt. Shasta Comment
  JEPS94883  Juncus tiehmii Vernon H. Oswald and Lowell Ahart 1998-7-21 9362 Siskiyou e of Grass Lake (ne of Weed, and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  CAS-BOT-BC80909  Juniperus Mary Boyd Lichens 1948-5-1 s.n. Siskiyou near Walker, along Klamath River 579 Comment
  CAS-BOT-BC81134  Juniperus communis Arthur Menzies 1956-8-1 s.n. Siskiyou Above Panther Meadow, Mt. Shasta 2743 Comment
  CAS-BOT-BC81132  Juniperus communis G. A. Coleman 1901-8-16 s.n. Siskiyou near head of Paulters Creek 2514 Comment
  CAS-BOT-BC81135  Juniperus communis W. B. C. 1938-8-22 11599 Siskiyou South [Slope] slope of Diller Canyon, on the north slopes of Shastina and Shasta 2743 Comment
  RSA17905  Juniperus communis var. montana Doris K. Kildale 1929-8-23 8787 Siskiyou Bear Wallow, 2 miles north Sanger Peak 1372 Comment
  SD76159  Juniperus communis var. saxatilis Helen V. Witham 1969-10-5 564 Siskiyou Salmon Mountains, Duck Lake 1950 Comment
  HSC1276  Juniperus occidentalis R. C. Wunner 1965-6-18 207 Siskiyou Indian Well Campground, Lava Beds National Monument 1433 Comment
  HSC27232  Juniperus occidentalis J. P. Smith, J. O. Sawyer 1971-9-18 4806 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC54251  Juniperus occidentalis H. M. Hall and E. B. Babcock 1903-6-1 4100 Siskiyou head Little Shasta Valley; Mount Shasta, Sheep Rock 1371 Comment
  CAS-BOT-BC81241  Juniperus occidentalis M. P. Anderson 1902-3-4 s.n. Siskiyou Between Yreka and Humbug Creek Comment
  SEINET5450470 Image available Juniperus occidentalis Ross C. Clark, Bob Harvey; Chris Harvey 23916 Siskiyou Interstate Hwy. 5- vicinity of Hawkinsville. Comment
  RSA6894  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley, east side Comment
  RSA760543  Kalmia polifolia R. F. Thorne, Frederick W. Oettinger 1969-8-4 63367 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  RSA659522  Kalmia polifolia subsp. microphylla Gary D. Wallace 1990-7-1 2950 Siskiyou Mount Shasta: Panther Meadow, campground on AAA map. 2255 Comment
  HSC90596  Kelloggia galioides Jennifer Whipple 1976-7-23 1522 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  JEPS95018  Kelloggia galioides Vernon Oswald and Lowell Ahart 1997-7-28 8795 Siskiyou se of Medicine Lake (at Paynes Springs, on floor of Paynes Creek Canyon n of the campground); Paynes Springs, Paynes Creek Canyon 1981 Comment
  POM67567  Kelloggia galioides Edward Palmer 1892-7-13 2504 Siskiyou Mt. Shasta and vicinity. Comment
  SEINET10500753  Kelloggia galioides Mary Merello 1993-6-25 Merello 725 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  HSC5895  Lactuca serriola R. C. Wunner 1965-8-14 415 Siskiyou California Lava Beds National Monument; near old shoreline of Tule Lake 1220 Comment
  CAS-BOT-BC204931  Lathyrus Roxana S. Ferris; Laura Lorraine 1948-6-12 11828 Siskiyou 1 mi. below summit of Gazelle Mt. grade, w. side, Gazelle-Callahan Road 1219 Comment
  UC163717  Lathyrus brownii Geo. D. Butler 1910-4-21 1212 Siskiyou Oro Fino Comment
  JEPS117619  Lemna gibba Lowell Ahart, John Dittes 2010-7-30 16959 Siskiyou On the shallow calm water, along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) sou 716 Comment
  CHSC3224  Lepidium campestre Virginia Hagaman 1966-5-14 180 Siskiyou McConnahue Gulch--4 1/2 miles east of Etna. Comment
  CAS-BOT-BC89160  Lepidium draba A. A. Heller 1905-6-9 8006 Siskiyou Yreka. Comment
  CAS-BOT-BC89830  Lepidium montanum A. A. Heller 1928-6-9 14610 Siskiyou Along the Pacific Highway between Gazelle and Grenada. Comment
  UCSB2974  Leptosiphon nuttallii subsp. nuttallii Hardham, Clare 1965-8-20 Siskiyou Near the Cudahy Lakes; on the Granite Trail; Marble Mountains 1524 Comment
  POM253567  Lesquerella occidentalis C. L. Hitchcock, J. S. Martin 1939-7-9 5305 Siskiyou N side of Black Mt. near Marble Mt. (King s Castle). 2073 Comment
  CAS-BOT-BC341893  Lessingia nemaclada Ira L. Wiggins 1955-7-23 13461 Siskiyou Ridge W of China Creek, S side of S Fork of Salmon River 960 Comment
  HSC2262  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley. Comment
  UCSB14919  Leucanthemum vulgare 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 Comment
  HSC4874  Leucothoe davisiae J. O. Sawyer 1968-6-18 209 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  RSA211221  Leucothoe davisiae William J. Ferlatte 1966-8-5 353 Siskiyou Caribou Mtn. 2470 Comment
  UCD117528  Leucothoe davisiae David T. Mason 1961-8-14 s.n. Siskiyou South end of lake, Heart Lake (ca. 1 mile west of Castle Lake). 701 Comment
  LA86527  Lewisia cotyledon John M. Tucker; 1963-7-7 3713 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  SBBG124420  Lewisia cotyledon C. B. Hardham 1961-7-1 8025 Siskiyou near Mud Springs, Siskiyou Mtns 1981 Comment
  CAS-BOT-BC444423  Lewisia rediviva Elmer I. Applegate 1937-5-13 11092 Siskiyou South of the Flenner Ranch, Lava Beds National Monument Comment
  JEPS84276  Lewisia triphylla L. R. Heckard with J. Hickman et al. 1986-7-17 6540 Siskiyou se Condrey Mt. (road end area and camp overlookin s end of Alex Hole) 1980 Comment
  JEPS43207  Lewisia triphylla W. L. Jepson 1907-7-6 2853 a Siskiyou ridge above Cudahay Valley; Marble Mt. Reg. Comment
  CAS-BOT-BC283818  Leymus cinereus David D. Keck 1949-7-19 6352 Siskiyou 2 miles S of Grenada 777 Comment
  UCD64231  Leymus cinereus Beecher Crampton 1969-6-19 8466 Siskiyou 1.5 mi. south of Grenada. Comment
  UC1037116  Leymus triticoides Leo Whitney 1934-6-29 2251 b Siskiyou near Tennant; Antelope Creek 1463 Comment
  RSA237412  Ligusticum californicum Frederick W. Oettinger 1967-8-13 252 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  JEPS25813  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou Shackleford Creek 1219 Comment
  JEPS84045  Ligusticum grayi L. R. Heckard with J. Hickman et al. 1986-7-17 6537 Siskiyou Road end area and camp overlooking S end of Alex Hole, SE of Condrey Mt. Comment
  RSA789607  Ligusticum grayi R. W. Spjut, Paul Burchstead 2008-6-10 16338 Siskiyou Cascade Mountains. Shasta Trinity National Forest. 8.5 miles northeast of Weed on east side of Highway 97. 1079 Comment
  UCR51776  Lilaeopsis occidentalis L. C. Wheeler 1935-7-3 03645 Siskiyou Shasta River. 2 mi. NW Montague 765 Comment
  HSC44365  Lilium kelleyanum Maralyn O'Meara 1973-6-25 237 Siskiyou Music Creek 1463 Comment
  CAS-BOT-BC509388  Lilium kelleyanum W. B. Cooke; V. G. Cooke 1962-8-17 33524 Siskiyou Wagon Camp, Mt. Shasta 1737 Comment
  RSA120208  Lilium pardalinum S. S. Tillett 1956-7-11 689 Siskiyou North side Scott Mountain divide near campground; Siskiyou-Trinity county line 1616 Comment
  UC705659  Lilium pardalinum Marion Ownbey, Fred G. Meyer 1940-7-6 2200 Siskiyou Cayenne Ridge; Marble Mountain Comment
  HSC66256  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-7-5 1494 Siskiyou Doe Flat 1220 Comment
  HSC68307  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-7-4 1411 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  RSA12670  Lilium washingtonianum Carl B. Wolf 1934-7-6 6024 Siskiyou Southwest slope of Mt. Shasta along trail to Horse Camp 1524 Comment
  CAS-BOT-BC133023  Lilium washingtonianum subsp. purpurascens L. E. Smith 1913-6-29 439 Siskiyou Mt. Eddy Comment
  HSC63265  Lilium washingtonianum subsp. purpurascens M. A. Baker 1979-7-30 1080 Siskiyou E of trail to Tom's Lake Comment
  CAS-BOT-BC133029  Lilium washingtonianum subsp. purpurascens Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC133096  Lilium washingtonianum subsp. washingtonianum L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  HSC76660  Lilium washingtonianum subsp. washingtonianum K. T. Stillman 1976-7-22 291 Siskiyou Marble Mtn. Wilderness Area Comment
  UC454444  Lilium washingtonianum subsp. washingtonianum I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  CHSC109945  Limnanthes alba Peter F. Zika 2012-5-14 25854 Siskiyou Klamath Range. I-5 southbound, near exit 730 for Dunsmuir. 750 Comment
  UC880334  Linanthus ciliatus A. A. Heller 1916-6-23 12428 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  UC1409391  Linanthus nuttallii Frederick W. Oettinger 1969-9-5 1687 Siskiyou near Abbotts Lake (next basin e of Salamander Pond, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1905 Comment
  HSC92600  Linanthus pungens Jennifer Whipple 1978-7-20 2356 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  CAS-BOT-BC240386  Linnaea borealis subsp. longiflora A. A. Heller 1905-6-17 8056 Siskiyou Near the Sacramento River west of and near Sisson Comment
  CAS-BOT-BC416403  Linnaea borealis subsp. longiflora A. A. Heller 1919-6-20 13259 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UC5490  Lithocarpus densiflorus W. H. Brewer 1862-6-17 1443 Siskiyou between Camp 98 and Soda Springs; Mt. Shasta Comment
  UC62214  Lithocarpus densiflorus W. J. V. Osterhout 1903-1 Siskiyou Shasta Springs Comment
  UC705916  Lithocarpus densiflorus Marion Ownbey, Fred G. Meyer 1940-7-8 2231 Siskiyou 17 mi n Happy Camp; Siskiyou Mountains Comment
  JEPS19296  Lithophragma campanulatum Herbert L. Mason 1947-5-17 14757 Siskiyou along the Scott Mountain Road about 5 mi s Callahan 1463 Comment
  UC909390  Lithophragma glabrum Ira L. Wiggins 1950-5-28 12389 Siskiyou .3 mi w Carmen Lake; w of Carmen Lake 1706 Comment
  HSC64863  Lithophragma parviflorum J. P. Smith 1976-5-5 8705 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  JEPS47483  Lithophragma parviflorum Geo. D. Butler 1909-5-1 687 Siskiyou Klamath Hills Comment
  JEPS80507  Lomatium dissectum var. dissectum Gilbert Muth 1966-7-25 447 Siskiyou Boreal meadow area Marble Mt. Lookout; Marble Mt. Wilderness Area, , Boreal meado 2097 Comment
  UC165418  Lomatium dissectum var. multifidum Geo. D. Butler 1909-5-8 746 Siskiyou hill near Yreka Comment
  LA84365  Lomatium engelmannii Tracy Call; Viola Call 1964-6-26 2301 Siskiyou Scott Mt. campground 1722 Comment
  CHSC59665  Lomatium macrocarpum K. Bridwell 1978-4-14 73 B Siskiyou Roadside at Weed Airport, ca. 200 yds e Hwy 5, ca. 5 mi n of Weed. 762 Comment
  RSA184690  Lomatium macrocarpum Gilbert Muth 1966-7-22 440 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  RSA715497  Lomatium macrocarpum L. Ahart 2005-6-9 12032 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  CDA38466  Lomatium macrocarpum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2787 Siskiyou West of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. Comment
  UC875131  Lomatium peckianum Lewis S. Rose 1934-4-20 34234 Siskiyou 4 mi N of Weed 1066 Comment
  HSC62310  Lonicera ciliosa Al Hobart 1968-6-25 Siskiyou Youngs Valley. Comment
  HSC22211  Lonicera conjugialis J. O. Sawyer 1969-7-11 1308 Siskiyou E facing slope above S Sugar Creek. 2012 Comment
  HSC61904  Lonicera conjugialis Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  JEPS13671  Lonicera conjugialis W. L. Jepson 1937-7-30 18548 Siskiyou headwaters Indian Creek (Poker Flat, near Del Norte Co. boundary); Siskiyou Mountains 1584 Comment
  JEPS25640  Lonicera conjugialis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7279 Siskiyou Poker Flat 1536 Comment
  CDA15534  Lotus crassifolius G. F. Hrusa 1998-7-5 14702 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  RSA406113  Lotus crassifolius M. B. Dunkle 1944-7-3 9064 Siskiyou Siskiyou National Park. 1677 Comment
  UC1045247  Lotus crassifolius var. crassifolius unknown 1940-7-26 15360 Siskiyou Black Butte Spring Mount Shasta 1219 Comment
  POM27164  Lotus denticulatus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Creek. Comment
  RSA47817  Lotus douglasii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11866 Siskiyou 1 mile west of Gazelle Comment
  JEPS55532  Lotus nevadensis var. nevadensis W. L. Jepson Jul 1894 13797 Siskiyou w of Mt. Shasta; Upton Comment
  UC163676  Lotus oblongifolius var. oblongifolius Geo. D. Butler 1908-8-21 397 Siskiyou Etna Creek Comment
  UC1025034  Lotus purshianus var. purshianus Leo Whitney 1934-6-23 1542 Siskiyou near Tennant; Antelope Creek 1463 Comment
  UC726318  Lotus purshianus var. purshianus A. A. Heller 1927-8-2 14439 Siskiyou Shasta Valley Comment
  UC726478  Lotus purshianus var. purshianus A. A. Heller 1919-6-30 13288 Siskiyou near Durney's Mill Comment
  HSC78389  Lotus uliginosus L. P. Janeway 1983-8-27 624 Siskiyou At Poker Flat. W side of meadow across from campsite. 1524 Comment
  RSA105529  Lotus unifoliolatus G. D. Barbe 025 Siskiyou 1.8 miles north of Callahan. 1006 Comment
  RSA592525  Lotus unifoliolatus S. O. Mattoon 1978-5-29 6 Siskiyou Klamath N. F.; Elliott Creek. 915 Comment
  JEPS50868  Luetkea pectinata Al Hobart 1967-8-8 Siskiyou n side Preston Peak Comment
  RSA237597  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC860312  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake; Marble Mts. Comment
  UCR110581  Luetkea pectinata L. C. Wheeler 1963-8-25 8274 Siskiyou Preston Peak: Summit ridge 2134 Comment
  CAS-BOT-BC342563  Luina hypoleuca John Thomas Howell 1939-8-6 15104 Siskiyou Elk Mt., Marble Mts. Comment
  JEPS86122  Lupinus Wayne Roderick 1966-6-26 Siskiyou Copper Butte Trail Cook and Green Pass n Seiad Valley (exposed ridge to Copper Butte); Cook and Green Pass, Copper Butte Tail Comment
  JEPS85697  Lupinus albicaulis Geo. D. Butler 1909-6-23 913 Siskiyou Goose Nest Comment
  UC727082  Lupinus albicaulis var. shastensis A. A. Heller 1938-7-13 15274 Siskiyou on U.S. Highway #97 on the hill on the n outskirts Weed; n outskirts of Weed Comment
  HSC43827  Lupinus albifrons Maralyn O'Meara 1974-5-27 483 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC338162  Lupinus albifrons unknown 1889-6-27 Siskiyou Edgwood Edgwood (Edgewood?) Comment
  CAS-BOT-BC198370  Lupinus albifrons S. Saufferer 1973-5-6 153 Siskiyou Just south of Dunsmuir along Railroad Creek. Comment
  CAS-BOT-BC196042  Lupinus albifrons var. collinus Alice Eastwood; John Thomas Howell 1934-4-21 1800 A Siskiyou Shasta City Comment
  CDA27371  Lupinus albifrons var. collinus K. S. Buchanan 1975-5-29 Siskiyou Interstate 5 north of Weed airport. 0 Comment
  SEINET10871207  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 336 Siskiyou Decomposed volcanic soil on hornbrook to montague raod, about 1 mile se of Hornbrook Comment
  SEINET10937025  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 370 Siskiyou In an open meadow assoc. With yellow pine on the s side of hwy 3, 22 miles e of Fort jones Comment
  RSA431057  Lupinus andersonii var. andersonii K. Morris, Dun, Kenney, D. I. Morris 1973-5-25 272 Siskiyou 20.7 mi E of McCloud on Hwy 89. Comment
  SD61048  Lupinus argenteus Darley F. Howe 1964-8-5 3936 Siskiyou 3 miles south of Dorris on Hwy 97 1219 Comment
  NY15836  Lupinus croceus H. E. Brown 1897-6-11 392 Siskiyou North side of Mt. Shasta 1524.0 Comment
  RSA300987  Lupinus croceus M. L. Conrad, LeDoux, Kenney 1973-6-2 6981 Siskiyou 6 miles southwest of Callahan. 1524 Comment
  CAS-BOT-BC215102  Lupinus croceus Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou N slope of Scott Mountain 1158 Comment
  CAS-BOT-BC215198  Lupinus croceus Joy D. Mastrogiuseppe 1974-9-2 168 Siskiyou W slope of ridge of Red Rock Mountain 2225 Comment
  UC1023832  Lupinus croceus Douglas Barbe 1955-7-26 288 Siskiyou n slope Scott Mtn. (at a small pond); Klamath Mountains, n slope of Scott Mtn. 1981 Comment
  JEPS93902  Lupinus croceus var. croceus Vernon H. Oswald and Lowell Ahart 1998-8-3 9434 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  SEINET10490743  Lupinus croceus var. croceus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-1 Conrad 6981 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan. 1524 Comment
  UC157007  Lupinus klamathensis Geo. D. Butler Apr 19 1910-Apr 30 1910 Siskiyou Yreka Comment
  SEINET10937103  Lupinus klamathensis Charles Piper Smith 1940-6-7 Smith 15101 Siskiyou Occasional along the pacific hwy near black butte. 1219 Comment
  UC1766160  Lupinus lapidicola Richard R. Halse 1989-5-6 3817 Siskiyou Along Old Hwy 99, 3.2 mi S of Gazelle or 4.2 mi N of its junction with Old Stage Road. 888 Comment
  RSA104574  Lupinus lapidicola A. A. Heller 1919-7-9 s.n. Siskiyou On the long E-W ridge of Mt. Eddy 2439 Comment
  HSC2367  Lupinus latifolius William J. Ferlatte 1966-8-19 444 Siskiyou Head of Kidd Creek 2134 Comment
  RSA237938  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1969-7-13 1006 a Siskiyou The High lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, slope north of Upper English Lake. 1951 Comment
  UC1409222  Lupinus latifolius var. viridifolius Frederick W. Oettinger 1969-7-13 1006 a Siskiyou slope n Upper English Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC82256  Lupinus lepidus var. medius Mrs. R. M. Austin Siskiyou Lava Beds near Pot Hole Springs; Lava Beds near Pot Hole Springs Comment
  JEPS83242  Lupinus lepidus var. sellulus W. L. Jepson 1940-6-28 20060 Siskiyou McCloud 975 Comment
  UCD108597  Lupinus lepidus var. sellulus J. M. Tucker 1950-7-24 1961 Siskiyou outskirts of Dorris. Comment
  SBBG15740  Lupinus leucophyllus D. Myrick 1961-6-21 314 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1737 Comment
  JEPS65317  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River near Yreka; Klamath River near Yreka Comment
  HSC45897  Lupinus luteolus Laura Witherspoon 1978-8-2 10 Siskiyou Klamath National Forest Comment
  SEINET10488765  Lupinus luteolus Katherine L. Morris 1973-6-2 Morris 337 Siskiyou Decomposed volcanic soil on hornbrook to montague rd, about 1 mi se of Hornbrook. Comment
  JEPS107668  Lupinus microcarpus var. microcarpus Lowell Ahart, John Dittes 2005-6-9 12015 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  SEINET10737372  Lupinus obtusilobus Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 872 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  RSA120853  Lupinus obtusilobus H. K. Wagnon 1957-8-11 1688 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  RSA176875  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou Spring Hill, near the town of Mt. Shasta. Comment
  UCD109364  Lupinus polyphyllus A. A. Heller 1920-7-6 13415 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  RSA123788  Lupinus polyphyllus subsp. polyphyllus Douglas Barbe 1955-7-5 103 Siskiyou 2.5 miles north of Etna on Greeview Rd. 884 Comment
  HSC41639  Lupinus sellulus subsp. ursinus Jennifer Whipple 1976-9-2 1760 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2439 Comment
  UC1483487  Lupinus tracyi Maralyn A. Renner 1980-6-26 1213 Siskiyou se edge Flint Valley; Klamath National Forest, Dillon Mtn. Quad., Flint Valley 1389 Comment
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Oct 13 2011
  RSA60626  Luzula comosa I. L. Wiggins 1950-5-28 12362 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  RSA211376  Luzula comosa var. laxa William J. Ferlatte 1967-8-19 1038 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. Trinity Alps. 1524 Comment
  RSA299464  Luzula comosa var. laxa J. P. Smith 1973-5-5 6413 Siskiyou Along Cook and Green Pass road. Comment
  HSC64675  Luzula divaricata J. O. Sawyer 1977-7-6 3034 Siskiyou S of Little Duck Lake 2134 Comment
  JEPS67184  Luzula parviflora B. C. Goldsmith 1916-10-10 38 a Siskiyou Widow Creek Mount Shasta, Widow Creek Comment
  HSC103819  Lycium barbarum G. Fred Hrusa, T. D. Wilfred 1999-5-31 15065 Siskiyou East side of I-5 at Klamath River rest area, ~10 mi. N of Yreka; former homestead 640 Comment
  UC872891  Lythrum hyssopifolia Louis C. Wheeler 1934-10-11 3316 Siskiyou Siskiyou Mts., Klamath River, Oak Knoll Ranger Station Oak Knoll Ranger Station; Siskiyou Mts., Klamath River, Oak Knoll Ranger Station 670 Comment
  RSA14489  Machaeranthera canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Ranger station, west end of Medicine Lake 1982 Comment
  RSA170195  Machaeranthera canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou Scott Valley, 1 mile east of Etna 884 Comment
  SEINET11806038  Madia bolanderi C. G. Pringle 1882-1 s.n. Siskiyou about Mt. Shasta Comment
  CAS-BOT-BC342666  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  POM30807  Madia citriodora Geo D. Butler 1910-5-19 1364 Siskiyou Yreka. Comment
  JEPS7384  Madia elegans Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sissons Region of the Upper Sacramento Comment
  CAS-BOT-BC344006  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Klamath National Forest. Beaver Cr. 914 Comment
  OBI53786  Madia elegans David J. Keil 1992-7-20 23472 Siskiyou W side of Scott Valley, 4.9 mi N of Etna alog CA Rte 3 875 Comment
  CAS-BOT-BC334667  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  POM362188  Madia gracilis subsp. gracilis M. B. Dunkle 1945-8-2 9282 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  RSA78948  Mahonia aquifolium E. K. Balls, P. C. Everett 1952-10-12 4500 Siskiyou 1.7 mi. w. of boundary of Lava Beds Nat l Monument on road from Indian Well Ranger Station to Tennant. 1372 Comment
  RSA96734  Mahonia aquifolium P. C. Everett, E. K. Balls 1954-10-13 20285 Siskiyou Indian Creek Road, 8 mi. n.w. of Happy Camp, Hwy 96. 457 Comment
  RSA452625  Mahonia nervosa M. B. Dunkle 1944-6-25 9012 Siskiyou Beaver Creek, Siskiyou Mt. 1677 Comment
  HSC98145  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1969-7-24 1479 Siskiyou SW of Sugar Lake 1890 Comment
  RSA105353  Maianthemum racemosum subsp. amplexicaule G. D. Barbe 1955-7-6 136 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  RSA237902  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1936 Comment
  UCSB24986  Maianthemum stellatum Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  HSC27467  Malacothrix floccifera J. P. Smith, J. O. Sawyer 1972-5-28 5379 Siskiyou Cecilville-Forks of Salmon 762 Comment
  CAS-BOT-BC67848  Marsilea vestita Louis C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mountains - Shasta River 2 mi. below Yreka Creek - Mt. Diablo Mer. 670 Comment
  JEPS107440  Medicago lupulina Lowell Ahart, John Dittes 2005-6-10 12063 Siskiyou Along a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC77058  Melica bulbosa K. T. Stillman 1976-8-7 190 Siskiyou Marble Mountain Wilderness Area. 1951 Comment
  HSC77114  Melica bulbosa K. T. Stillman 1976-6-25 68 Siskiyou Marble Mountain Wilderness Area. 1829 Comment
  HSC2190  Melica californica Lincoln Constance, R. C. Rollins 1942-5-14 2934 Siskiyou Shasta River, 6 mi. N of Yreka. 762 Comment
  POM299029  Melica harfordii Marion Ownbey, Fred G. Meyer 1940-7-7 2217 Siskiyou Near summit of Cayenne Ridge, Marble Mountain. Comment
  RSA239101  Melica harfordii Frederick W. Oettinger 1969-8-3 1143 Siskiyou Above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  POM114778  Melica spectabilis Geo D. Butler 1910-4-19 1196 Siskiyou Yreka Comment
  UC197189  Melica subulata Geo. D. Butler 1910-7-12 1751 Siskiyou Shackleford Creek 1219 Comment
  UCD88594  Melica subulata AHM 1955-7-29 55 R Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  JEPS63470  Mentha canadensis Willis L. Jepson Jul 24 1894-Aug 10 1894 14917 Siskiyou Sisson; Upper Sacramento, Sisson Comment
  UC164048  Mentzelia dispersa Geo. D. Butler 1909-6-12 906 Siskiyou McAdams Creek Comment
  HSC15837  Mentzelia laevicaulis D. M. Thomson 1965-8-6 169 Siskiyou Lava Beds National Monument, S Boundry Rd., by Crecent Butte. Comment
  CAS-BOT-BC429153  Micranthes odontoloma John Thomas Howell 1939-8-8 15149 Siskiyou Black Mt., Marble Mts. Comment
  UCD102913  Micranthes oregana J. M. Tucker 1974-7-26 4292 Siskiyou Let 'Er Buck Meadows, 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  CAS-BOT-BC348422  Micropus californicus var. californicus Geo. D. Butler 1910-5-7 1297 Siskiyou Yreka Comment
  HSC67937  Micropus californicus var. californicus J. P. Smith 1973-5-5 6542 Siskiyou Scott Bar along the Scott River Comment
  UC166151  Micropus californicus var. californicus Geo. D. Butler 1910-5-7 1297 Siskiyou Yreka Comment
  HSC22288  Microseris nutans J. O. Sawyer 1969-7-3 1051 Siskiyou Near Lipstick Lake 1951 Comment
  UC829638  Microseris nutans John Thomas Howell 1937-7-22 13266 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  CAS-BOT-BC349364  Microseris nutans L. E. Smith 1912-5-12 203 Siskiyou Castle Creek Comment
  HSC29399  Mimulus breweri Frederick W. Oettinger 1969-8-13 1360 Siskiyou High Lake Basins: main camp site, English Lake 1829 Comment
  HSC72392  Mimulus cardinalis J. P. Smith, Steve Selva 1970-7-16 4372 Siskiyou Along FS Rd. 19N01 Comment
  UC164367  Mimulus guttatus Geo. D. Butler 1909-5-2 714 Siskiyou near Yreka Comment
  HSC43255  Mimulus kelloggii K. Irwin 1977-5-22 383 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  HSC39816  Mimulus lewisii J. O. Sawyer 1969-8-4 1801 Siskiyou Above Sugar Lake 2134 Comment
  SBBG30584  Mimulus moschatus D. Myrick 1968-6-26 2028 Siskiyou Coffee Crk; Trinity Alps 1463 Comment
  RSA105439  Mimulus moschatus Milo S. Baker, H. K. Wagnon 1955-07 77 Siskiyou 4.5 mi south of Etna on Westside Rd. to Callahan, at French Cr. bridge. 854 Comment
  RSA237574  Mimulus moschatus var. moniliformis Frederick W. Oettinger 1967-8-20 289 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  UC618711  Mimulus nanus var. jepsonii W. Bridge Cooke 1938-7-15 11214 Siskiyou above Bear Springs; Mount Shasta Comment
  SDSU117  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 932 Siskiyou 8.0 miles E of McCloud along Hwy 89. SW corner of jct of Bigelow Meadows Road and Hwy 89. Opposite Hwy 89 from USFS Road 40N16; 2.4 miles W of turnoff for Cattle Camp Road; 2.0 mile W of USFS Ash Creek Station; T39N, R1W, N1/2 S5. 1097 Comment
  POM253585  Mimulus nanus var. nanus C. L. Hitchcock, J. S. Martin 1939-7-9 5318 Siskiyou Between King's Castle and Black Mountains, west side of ridge. 1829 Comment
  RSA48209  Mimulus nanus var. nanus Roxana S. Ferris, Laura Lorraine 1948-6-12 11851 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  RSA535582  Mimulus nanus var. nanus David M. Thompson 1989-6-28 1022 Siskiyou 10 mi NE of Weed along Hwy 97, NW side of road. 1150 Comment
  UC1258471  Mimulus nasutus John Palmer 1980-8-13 789 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  RSA12576  Mimulus primuloides Carl B. Wolf 1934-7-6 6010 Siskiyou 0.5 mi. south of Wagon Camp. South slope of Mt. Shasta. 1524 Comment
  HSC91055  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-7-2 1251 Siskiyou Mt. Eddy: Near Dobkins Lake 2073 Comment
  RSA237543  Mimulus primuloides var. pilosellus Frederick W. Oettinger 1968-8-14 519 Siskiyou Bear Meadow, Tom's Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 2188 Comment
  HSC68551  Minuartia douglasii Maralyn A. Renner 1980-6-8 801 Siskiyou Slopes E of Hwy. 3 1341 Comment
  UCD105961  Minuartia douglasii Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  CAS-BOT-BC174735  Minuartia nuttallii Alice Eastwood 1912-7-23 1328 Siskiyou Cantara Comment
  CHSC209  Minuartia nuttallii subsp. gregaria N. Jaekel 1939-7-29 Siskiyou Mt. Eddy. Comment
  SBBG1990  Minuartia nuttallii var. gregaria H. and M. Dearing 1939-6-2 3525 Siskiyou near Fort Jones 609 Comment
  JEPS100204  Minuartia stolonifera Dean W. Taylor 2002-6-10 18120 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  POM68866  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Near Yreka 1067 Comment
  HSC62312  Mitella breweri Al Hobart 1968-6-23 Siskiyou Youngs Valley 1524 Comment
  CAS-BOT-BC433019  Mitella diversifolia Clarence R. Quick 1959-6-19 59 -18 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  UC420430  Mitella pentandra Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  HSC65011  Mitella pentandra D. L. Goforth 1979-7-19 273 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, 1 mi. S of upper lake 2226 Comment
  POM91919  Mitella trifida Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mtn. 1220 Comment
  RSA184754  Mitella trifida Gilbert Muth 1966-7-17 400 Siskiyou Trail to lookout. Marble Mtns. 1799 Comment
  HSC36943  Moehringia macrophylla J. P. Smith 1974-5-26 7563 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC22248  Monardella glauca J. O. Sawyer 1969-7-9 1219 Siskiyou Along trail to Sugar Lake. 1768 Comment
  CAS-BOT-BC222035  Monardella odoratissima subsp. glauca Alice Eastwood 1912-8-30 1987 Siskiyou Mount Eddy Comment
  UC456092  Monardella odoratissima subsp. glauca I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat Comment
  RSA50198  Monardella odoratissima subsp. glauca E. K. Balls 1949-7-8 13906 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  RSA12593  Monardella odoratissima subsp. pallida Carl B. Wolf 1934-7-6 5993 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  UC456090  Monardella odoratissima subsp. pallida I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  RSA238539  Monardella odoratissima subsp. pallida Frederick W. Oettinger 1967-8-20 293 Siskiyou along the wet meadow & alder thicket of Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC26176  Monardella ovata H. E. Brown 1897-6-1 381 Siskiyou near Sisson 1082 Comment
  UCD125198  Monardella purpurea J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3754 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  JEPS84216  Monotropa hypopitys L. R. Heckard with J. Hickman et al. 1986-7-17 6450 Siskiyou ca 5 mi n Seiad Valley; Cook and Green Pass 1465 Comment
  RSA238382  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou Forest at base camp mid trail betw Diamond Lake & Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC445109  Montia linearis Ella D. Cantelow 1953-5-2 s.n. Siskiyou 16 mi. north of Yreka Comment
  NY342247  Montia obtusata A. A. Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  LA95001  Montia parvifolia J. M. Tucker; L. K. Mann 1963-7-4 3696 Siskiyou vicinity of U.S. Forest Service Public Camp, just E of Finley Camp, rd from Etna to Sawyer's Bar Comment
  JEPS43194  Montia parvifolia Milo S. Baker 1923-8-14 248 a Siskiyou Siskiyou National Forest, Smith River Division, Camp 6 Smith River Division; Siskiyou National Forest, , Camp 6 Comment
  RSA654054  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Lower slopes of White Ridge, canyon of the South Fork of the Sacramento River. Comment
  CAS-BOT-BC262676  Muhlenbergia asperifolia A. A. Heller 1918-7-25 13082 Siskiyou Shasta Valley between Gazelle and Edgwood Comment
  HSC30599  Muhlenbergia filiformis Frederick W. Oettinger 1968-8-22 592 Siskiyou Ridge between Diamond Lake and English Peak, Salmon Mountains. 2195 Comment
  RSA268994  Muhlenbergia jonesii J. R. Reeder, C. G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartle 1220 Comment
  HSC22179  Muhlenbergia montana J. O. Sawyer 1969-7-10 1304 Siskiyou SE facing slope above S Sugar Lake 2165 Comment
  RSA211316  Muhlenbergia montana William J. Ferlatte 1966-8-3 276 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  UC1265407  Muhlenbergia montana F. W. Oettinger 1969-8-16 1389 Siskiyou rocky slope sw Wiregrass Meadow (near Upper English Lake); Salmon Mountains 1676 Comment
  UC1540139  Nama densa Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9251 Siskiyou Caldwell Butte Lava Beds National Monument, Caldwell Butte (on crater floor at northern interior, Lava Beds National Monument) 1499 Comment
  RSA68893  Nama lobbii A. E. Culbertson 1943-7-1 64 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  HSC34139  Narthecium californicum J. O. Sawyer 1969-8-5 1757 Siskiyou W of Little Duck Lake 2073 Comment
  HSC82353  Narthecium californicum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4524 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC91988  Narthecium californicum Jennifer Whipple 1976-7-24 1564 Siskiyou SW of Dobkins Lake along the drainage into the lake 2226 Comment
  CDA33237  Narthecium californicum Gordon Leppig, Jennifer Kalt 1996-7-9 366 Siskiyou Northern California Peatlands; Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  UC1540246  Navarretia capillaris Dean W. Taylor 1987-6-26 9077 Siskiyou 2 mi se from Medicine Lake (Paynes Springs); se from Medicine Lake, Paynes Springs 1996 Comment
  UCD77738  Navarretia capillaris Robert E. Preston 2002-7-12 1916 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, S slope of Rainbow Mountain 1968 Comment
  JEPS70280  Navarretia divaricata W. L. Jepson 1940-7-3 20096 Siskiyou Bartle, e part of Siskiyou County Bartle 1188 Comment
  UCD48387  Navarretia divaricata John M. Tucker 1974-7-28 4329 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area, Siskiyou County, California. 1463 Comment
  HSC79091  Navarretia intertexta Paul Wilson 1984-9-1 377 Siskiyou Juanita Lake Reservoir 1555 Comment
  UC880876  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Yreka Creek , Yreka Creek (Siskiyou Mts.) 853 Comment
  UC796661  Nemophila parviflora var. austiniae Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11739 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road w of Callahan 1066 Comment
  HSC23551  Nemophila parviflora var. austiniae J. O. Sawyer 1970-7-3 2315 Siskiyou 1402 Comment
  POM211254  Nepeta cataria Louis C. Wheeler 1934-9-18 3279 Siskiyou Siskiyou Mts. Dutch Creek off Klamath River 701 Comment
  SEINET516296  Nepeta cataria Vernon H. Oswald 1998-9-16 9636 Siskiyou Vista Point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  HSC92177  Nothocalais alpestris Jennifer Whipple 1977-7-22 2056 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC65275  Nothochelone nemorosa Rich White 1978-7-3 201 Siskiyou 0.5 mi. up Dillon Ridge Trail 1715 Comment
  JEPS119373  Nothochelone nemorosa Dana York 2011-9-9 3101 Siskiyou Klamath National Forest, boundary of Marble Mountain Wilderness adjacent to Isinglass Lake. Comment
  RSA215645  Nothochelone nemorosa Gilbert Muth 1969-8-6 1198 Siskiyou Boulder Peak. 2530 Comment
  SEINET10632053  Oenothera Daniel K. Harder 1994-9-29 Harder 2487 Siskiyou Ca. 5 mi. W of Callahan on road to Cecilville in Klamath National Forest along S fork of Scott River. At serpentine outcrops along road. 1140 Comment
  CDA7576  Onopordum tauricum T. C. Fuller 1960-6-3 4648 Siskiyou F. Voelker property, west edge of Meiss Lake Basin just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  CDA7580  Onopordum tauricum J. R. Grisham 1959-12-8 Siskiyou Butte Valley; Luzzi Ranch, south of Sam s Neck ca. 15 miles southwest of Dorris. 0 Comment
  UCD134658  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou along road Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  HSC96878  Oreostemma alpigenum Gordon Leppig 1997-8-23 673 Siskiyou Russian Wilderness, Little Duck Lake Fen 2200 Comment
  HSC62121  Oreostemma alpigenum var. andersonii Al Hobart 13 Aug [year missing] Siskiyou Preston Peak Comment
  JEPS87126  Oreostemma alpigenum var. andersonii Dean W. Taylor 1992-9-18 13230 Siskiyou .5 m below, (watershed South Fork Sacramento River) Gumboot Lake; South Fork Sacramento River, Gumboot Creek 1844 Comment
  UCD77890  Orobanche fasciculata Robert E. Preston 2001-7-21 1740 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  HSC91959  Orobanche uniflora Jennifer Whipple 1976-6-23 1111 Siskiyou Mt. Eddy: E and S-facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  HSC78323  Orogenia fusiformis L. P. Janeway 1983-7-17 419 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  HSC61869  Orthilia secunda Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  UC1333300  Orthilia secunda Dorothy Parker 1949-6-26 Siskiyou Etna Creek, Salmon Mountains Range 1207 Comment
  HSC67708  Orthocarpus cuspidatus subsp. copelandii John Palmer 1980-7-24 608 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  JEPS16355  Orthocarpus cuspidatus subsp. copelandii Peter H. Raven 1956-9-4 10388 Siskiyou ridge s Mount Eddy; s of Mount Eddy 2286 Comment
  RSA183421  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker, L. K. Mann 1963-8-17 3741 Siskiyou Beside trail from Red Rock Valley to top of ridge to S, and near top of ridge. Marble Mt Wilderness 1860 Comment
  RSA488703  Orthocarpus cuspidatus subsp. cuspidatus James L. Reveal 1975-8-15 3953 Siskiyou Siskiyou Mountains, Klamath Nat'l Forest, along the Dry Lake Lookout road (FS 40S01), 0.6 mile north of the turnof to Deep Camp and about 2.7 miles southeast of Dry Lake Lookout. Comment
  JEPS15927  Osmorhiza berteroi W. L. Jepson July, 1894 14253 Siskiyou Sisson Comment
  UC1190135  Osmorhiza berteroi Ira L. Wiggins 1955-7-21 13428 Siskiyou along ditch bank near Mt. View Ranch (7 mi above Cecilville); S Fork of Salmon River 975 Comment
  POM82773  Osmorhiza berteroi Geo. D. Butler 1910-5-30 1432 Siskiyou Humbug Creek. Comment
  HSC69011  Osmorhiza occidentalis Maralyn A. Renner 1980-7-24 2032 Siskiyou Lily Pad Lake 1768 Comment
  HSC92968  Oxyria digyna Jennifer Whipple 1976-7-25 1574 Siskiyou N face of Mt Eddy 2378 Comment
  HSC30484  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou NE facing slope above Tanner Peak Trail, 400 yards down from English Peak Trail. 2134 Comment
  JEPS82265  Packera cana Roger Raiche 1983-8-13 30594 Siskiyou near summit Mt. Eddy 2743 Comment
  HSC61727  Paeonia brownii Ruby Van Deventer 18 Aug [year missing] Siskiyou Perk's Pasture Comment
  CAS-BOT-BC422854  Papaver rhoeas John Thomas Howell 1952-6-14 28357 Siskiyou 2 miles west of Gazelle Comment
  RSA150581  Papaver rhoeas Lee W. Lenz 1961-6-21 24356 Siskiyou Just north of Gazelle along highway 915 Comment
  CAS-BOT-BC175615  Parnassia palustris Doris K. Kildale 1928-8-19 6518 Siskiyou English head, head of North Fork of Salmon River Comment
  JEPS121607  Parnassia palustris Danielle Roach 2011-9-13 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping fen, SSE aspect, over gabbro. China Mountain quadrangle. CLS_1C Comment
  UC637039  Paspalum distichum Edward Lee 1934-8-10 1019 Siskiyou near Hamburg (south bank of Klamath River between McKinney and Parkerhouse creeks); s bank of Klamath River 609 Comment
  RSA459070  Pastinaca sativa L. C. Wheeler 1935-7-4 3653 Siskiyou Yreka 800 Comment
  CAS-BOT-BC202846  Paxistima myrsinites Dorothy Parker 1950-6-4 446 Siskiyou Salmon Mt. 1920 Comment
  CAS-BOT-BC202865  Paxistima myrsinites Wm. Bridge Cooke 1938-6-17 11046 Siskiyou Mount Shasta. Sisson Southern Trail 1432 Comment
  JEPS78150  Paxistima myrsinites Gary W. Zamzow 1972-7-20 96 Siskiyou on Highway 89, 7 mi e McCloud (Fowlers Campground, on gentle e-facing slope of McCloud River); slope of McCloud River 1066 Comment
  POM87427  Paxistima myrsinites Geo. D. Butler 1909-4-11 656 Siskiyou Shasta Retreat. Comment
  CAS-BOT-BC202830  Paxistima myrsinites W. R. Dudley 1893-6-21 s.n. Siskiyou Mt. Shasta Trail Comment
  CAS-BOT-BC202856  Paxistima myrsinites Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mts., Bet. Happy Camp & Waldo Comment
  RSA48235  Pectocarya penicillata Roxana S. Ferris, Laura Lorraine 1948-6-12 11785 Siskiyou Outskirts of Etna. Comment
  HSC91148  Pedicularis attollens Jennifer Whipple 1976-7-23 1525 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC266639  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6507 Siskiyou English Lake, head of N fork of Salmon River 1828 Comment
  HSC19156  Pedicularis bracteosa var. flavida J. O. Sawyer 1969-7-24 1486 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  RSA183698  Pedicularis contorta Gilbert Muth 1965-8-6 181 Siskiyou Marble Mountains; backside of Black Mountain Comment
  UC454810  Pedicularis densiflora I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (summit of Mount Bradley); Mount Bradley 1828 Comment
  POM43387  Pedicularis flavida Geo. D. Butler 1908-8-5 42 Siskiyou West fork of Wooley Creek. 2134 Comment
  RSA238829  Pedicularis racemosa Frederick W. Oettinger 1968-8-3 384 Siskiyou Edge of base camp meadows, near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CHSC62  Pellaea brachyptera V. Holt 1932-7-19 Siskiyou Spring Hill. 1219 Comment
  RSA605525  Pellaea brachyptera L. C. Wheeler 1959-7-26 7609 Siskiyou Marble Mountain, near summit of Ukonom Mountain 1402 Comment
  HSC69289  Penstemon anguineus Maralyn A. Renner 1980-7-24 1948 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS23803  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7290 Siskiyou Poker Flat 1536 Comment
  RSA12502  Penstemon anguineus Carl B. Wolf 1934-7-4 5934 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13 mi from Horse Creek Bridge on Klamath River. 1372 Comment
  SFV3425  Penstemon anguineus D. Myrick 1961-6-21 313 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River. 19 miles west of Highway 99. 1677 Comment
  RSA238751  Penstemon anguineus Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1171 -a Siskiyou Near outlet, south side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA44883  Penstemon anguineus J. C. Roos 1948-9-1 3945 Siskiyou 10 miles SW of Etna. Comment
  HSC77075  Penstemon azureus K. T. Stillman 1976-7-7 153 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS44101  Penstemon cinereus W. B. and V. G. Cooke 1965-7-12 35173 Siskiyou along the Bolam Road Mt. Shasta, Bolam Road Comment
  JEPS94895  Penstemon cinereus Vernon H. Oswald and Lowell Ahart 1998-6-11 9190 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation, Highway 97 1066 Comment
  HSC69367  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3782 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  HSC58887  Penstemon deustus Marvin Butler 1971-7-12 117 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  UC1483445  Penstemon deustus J. Sawyer and J. Cole 1980-7-22 3951 Siskiyou nw slopes of Cedar Mtn. Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  CDA41878  Penstemon deustus Jess Grisham 1958-5-13 421 -58 Siskiyou Wanaka property, Yreka. 0 Comment
  HSC63257  Penstemon deustus M. A. Baker 1979-7-31 1098 Siskiyou Johnson's Hunting Ground, 0.4 k. N of trail to Independence Valley 2000 Comment
  POM237613  Penstemon deustus subsp. deustus C. Leo Hitchcock, J. S. Martin 1939-7-7 5293 Siskiyou North side of Sanger Peak. 1646 Comment
  NY609827  Penstemon deustus var. suffrutescens F. W. Pennell 1940-7-16 26161 Siskiyou Route 99; Hornbrook 944.9 Comment
  HSC69264  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-20 3737 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  NY600753  Penstemon gracilentus A. A. Heller 1920-8-12 13514 Siskiyou Horse Camp, Mt. Shasta Comment
  NY600699  Penstemon gracilentus K. A. Vincent 1987-6-29 4444 Siskiyou Cascade Range, Butte Mountain; along Butte Mountain Road, ca. 3.6 miles west of junction Meiss Lake Road, located 7.2 miles west of junction US 97 on south side of MacDoel. 1828.8 Comment
  SEINET5328460 Image available Penstemon gracilentus K. Vincent 1987-6-29 4444 Siskiyou Cascade Range, Butte Mtn.; on logged edge of douglas fir forest along Butte Mtn. Rd. ca 3.6 mi W of jct. Meiss Lake Rd., located 7.2 mi W of jct. US 97 on S side of MacDoel, 1829 Comment
  NY601606  Penstemon heterodoxus var. shastensis F. W. Pennell 1940-7-20 26201 Siskiyou Route 89, west of Bartle 1158.2 Comment
  NY603842  Penstemon humilis var. humilis E. I. Applegate 1931-6-24 6804 Siskiyou Between Bear Paw Cave, Modoc Lava Beds, and Medicine Lake Comment
  UCR24850  Penstemon laetus John C. Roos 1948-9-2 3974 Siskiyou 6 mi SW of Yreka 1300 Comment
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Aug 13 2007
  JEPS11379  Penstemon laetus var. sagittatus W. L. Jepson 1940-6-23 20000 Siskiyou e Mayten (e side of Little Shasta Valley); , e of Mayten 883 Comment
  JEPS83891  Penstemon laetus var. sagittatus Wayne Roderick Jul 1976 Siskiyou along Copper Butte Trail Siskiyou Mountains Comment
  UC725620  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou sixteen mi ne Weed (near the base of Deer Mt.); near base Deer Mt., ne of Weed Comment
  SD42556  Penstemon newberryi Carl B. Wolf 1937-8-8 9082 Siskiyou SW. side of Mt. Shasta, I(c) mi. S. of trail to horse camp 1524 Comment
  RSA12565  Penstemon newberryi subsp. newberryi Carl B. Wolf 1934-7-6 6021 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
  NY627342  Penstemon newberryi var. newberryi A. A. Heller 1905-6-16 8048 Siskiyou Near Sisson Comment
  NY627382  Penstemon newberryi var. newberryi R. W. Spellenberg 1965-6-20 1172 Siskiyou Black Butte Pass about 5 miles south of Weed Comment
  UCD77907  Penstemon newberryi var. newberryi Robert E. Preston 2001-6-23 1589 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  SEINET4677812  Penstemon parvulus M. S. Taylor 1980-7-8 3114 Siskiyou Dunsmuir quad; Shasta-Trinity National Forest; on ridge S of Castle Lake, above Hearts Lake.; 0 2017 Comment
  POM299519  Penstemon parvulus Marion Ownbey, Fred G. Meyer 1940-7-7 2215 Siskiyou Near summit of Cayenne Ridge, Marble Mountain. Comment
  HSC69505  Penstemon procerus var. brachyanthus John Palmer 1980-7-24 655 Siskiyou Dillon Divide 1707 Comment
  NY638943  Penstemon procerus var. brachyanthus J. T. Howell 1939-8-8 15184 Siskiyou Marble Mountains Comment
  HSC21100  Penstemon purpusii William J. Ferlatte 1967-6-8 672 Siskiyou Yellow Rose Mine Trail 1677 Comment
  HSC91117  Penstemon roezlii Jennifer Whipple 1976-7-9 1396 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC239414  Penstemon rupicola Lillian Mott 1976-7-4 36 LM76 Siskiyou Lily Pad Lake ca. 3 mi. west of Cook and Green Pass 2011 Comment
  UC1238946  Penstemon rupicola Freed W. Hoffman 1950-7-13 3495 Siskiyou ne slope Baldy Mountain trail to Clear Creek (western Siskiyou County); North Coast Ranges, ne slope Baldy Mtn. trail to Clear Cr 1828 Comment
  RSA463106  Penstemon shastensis S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  RSA32484  Penstemon shastensis C. Edward Graves 1944-08 s.n. Siskiyou Mt Shasta. Comment
  UC164361  Penstemon speciosus Geo. D. Butler 1910-5-18 1360 Siskiyou near Yreka; near Yreka Comment
  HSC75652  Penstemon speciosus J. O. Sawyer, R. J. Cole 1980-7-22 3868 Siskiyou 0.5 mi. S of Lava Camp 1829 Comment
  RSA79871  Penstemon speciosus F. W. Peirson 1923-7-19 3841 Siskiyou Near Bray. Comment
  SEINET11154191  Perideridia gairdneri subsp. borealis G. D. Butler 1910-8-7 1822 Siskiyou Humbug Mountain. 1219 Comment
  SEINET5135939  Perideridia leptocarpa Unknown 1966-6-15 3768 Siskiyou W-facing slope above Trinity River 5 miles NW of Cecilville Comment
  HSC76731  Perideridia oregana K. T. Stillman 1976-8-7 391 Siskiyou Marble Mountain Wilderness Area, trail from Black Mtn. camp to Jump off Comment
  JEPS12317  Perideridia oregana W. L. Jepson 1940-6-22 19967 Siskiyou Hutton Creek 792 Comment
  CAS-BOT-BC423355  Peritoma platycarpa L. E. Smith 1912-8-1 s.n. Siskiyou Pitt River, Montague Comment
  CAS-BOT-BC413739  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Klamath National Forest, Lumgrey Cr. 670 Comment
  CAS-BOT-BC142703  Phacelia cookei W. B. Cooke; V. G. Cooke 1972-6-30 45419 Siskiyou Military Pass Road, Mt. Shasta. In margins of road. 1524 Comment
  HSC49957  Phacelia cookei G. L. Clifton, Ground 1978-6-14 1040 Siskiyou Near Andesite, close to the town of Weed 1464 Comment
  HSC68576  Phacelia corymbosa Maralyn A. Renner 1980-6-23 981 Siskiyou W Fork Seiad Creek 878 Comment
  JEPS57168  Phacelia corymbosa L. R. Heckard 1967-8-13 1708 Siskiyou edge of summit fell-field Mt. Eddy 2743 Comment
  UC54516  Phacelia hastata H. M. Hall and E. B. Babcock June, 1903 4111 Siskiyou Ash Creek Sierra Nevada Mountains, Mount Shasta 1524 Comment
  SEINET12280193  Phacelia heterophylla H. P. Chandler 1901-1 1655 Siskiyou Marble Mountain 2438 Comment
  RSA12604  Phacelia heterophylla subsp. virgata Carl B. Wolf 1934-7-6 5982 Siskiyou 1/4 mile east of Mt. Shasta City. Southwest slope of Mt. Shasta. 1098 Comment
  RSA582232  Phacelia heterophylla var. virgata Louis C. Wheeler 1935-6-9 3567 .5 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  RSA211171  Phacelia humilis var. humilis W. J. Ferlatte 257 Siskiyou Mountain Meadow Ranch. 1524 Comment
  UC572209  Phacelia linearis M. H. Mitchell 1936-5-14 Siskiyou Captain Jack's Stronghold Modoc Lava Beds Nat'l Monument, Dorris Quadrangle 1554 Comment
  UCR93374  Phacelia linearis Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  UC107461  Phacelia pringlei J. G. Lemmon and wife Sept. 1879 Siskiyou near Mt. Shasta Comment
  SEINET12280311  Phacelia pringlei Unknown 1953-1 105 Siskiyou Cabin Meadow, 1 mi N of Cory Peak, Klamath National Forest 1844 Comment
  UC1950202  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City; several forks join before steep drop Comment
  JEPS1092  Phacelia procera W. L. Jepson 1937-7-30 18562 Siskiyou Poker Flat western Siskiyou Mts. Comment
  UC1586855  Phacelia procera Juha Pykala and D. H. Norris 1987-6-26 2085 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness Comment
  HSC75498  Phacelia procera K. T. Stillman 1976-8-7 216 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  JEPS107317  Phacelia ramosissima var. ramosissima Lowell Ahart, John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC159144  Phacelia ramosissima var. ramosissima Alice Eastwood; John Thomas Howell 1940-6-14 8267 Siskiyou Lava Beds Nat. Mon. near Schonchin Butte Comment
  LA206402  Phalaris angusta J. R. Swallen; 1939-8-8 sn Siskiyou Mount Shasta, Horse Camp Comment
  UCD88525  Phalaris arundinacea B. A. Madson Date Unknown s.n. Siskiyou 3 miles N of Tulelake. 1219 Comment
  HSC29425  Philadelphus californicus Frederick W. Oettinger, R. F. Thorne 1969-8-5 1200 Siskiyou Marble Mtn. Wilderness Area, above Willow Spring on English Lake trail 1677 Comment
  CAS-BOT-BC77428  Philadelphus lewisii J. H. Thomas 1949-6-16 954 Siskiyou 1/4 miles north of Beaver Creek Public Camp, along Beaver Creek; 5 miles north of junction of Beaver Creek Comment
  CAS-BOT-BC250793  Phleum alpinum H. E. Brown 1897-6-11 445 Siskiyou North side of Mt. Shasta 2743 Comment
  CDA40296  Phlox adsurgens T. C. Fuller 1958-6-18 1820 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC17163  Phlox diffusa Marion Ownbey, Ruth Ownbey 1938-7-20 1762 Siskiyou Near Dry Lake Lookout, summit of Siskiyou Mts. Comment
  HSC19154  Phlox diffusa J. O. Sawyer 1969-6-13 954 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC69741  Phlox diffusa Maralyn A. Renner 1980-6-26 1276 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  SBBG30601  Phlox diffusa D. Myrick 1968-6-27 2048 Siskiyou Yellow Rose Mine above Big Flat, head of Coffee Crk; Trinity Alps 1828 Comment
  UC726850  Phlox diffusa A. A. Heller 1940-7-25 15768 Siskiyou just above Horse Camp; Mt. Shasta 2438 Comment
  HSC110  Phlox diffusa William J. Ferlatte 1967-6-27 536 Siskiyou Big Flat, near public campground 1524 Comment
  JEPS71104  Phlox gracilis George D. Butler 1909-4-18 625 Siskiyou near Yreka Comment
  UCR66520  Phlox gracilis L. C. Wheeler 1934-6-1 2602 Siskiyou Siskiyou Mtns., Head Jaynes Canyon 1829 Comment
  CAS-BOT-BC232825  Phlox hirsuta Geo. D. Butler 1909-5-16 739 Siskiyou Hills near Yreka Comment
  HSC49965  Phlox speciosa subsp. nitida Maralyn O'Meara 1974-5-25 435 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  RSA469943  Phlox speciosa subsp. occidentalis B. C. Templeton 1960-6-21 8551 Siskiyou Near the summit of Scott Mt. Comment
  CAS-BOT-BC60684  Phoenicaulis cheiranthoides Marion Ownbey; Ruth P. Ownbey 1938-7-19 1752 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout. Comment
  CAS-BOT-BC60685  Phoenicaulis cheiranthoides Geo. D. Butler 1910-5-7 1296 Siskiyou Dry Hill near Yreka. Comment
  JEPS84106  Phoenicaulis cheiranthoides L. R. Heckard with J. Hickman et al. 1986-7-17 6545 Siskiyou 1 mi ne of Buckhorn 2100 Comment
  CAS-BOT-BC171212  Phoradendron serotinum subsp. tomentosum Doris K. Kildale 1929-5-31 9124 Siskiyou Cecilville, S Fork of Salmon River Comment
  UCD117723  Phyllodoce empetriformis Dean William Taylor 1972-7-3 1614 Siskiyou Near Little Duck Lake. 1981 Comment
  SEINET7270871  Phyllodoce empetriformis H. A. Jensen 1933-9-5 s.n. Siskiyou Slope of Shastina 2591 Comment
  CAS-BOT-BC60766  Physaria occidentalis Harley P. Chandler 1901-6-1 1653 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  CAS-BOT-BC60774  Physaria occidentalis W. R. Dudley 1899-8-26 s.n. Siskiyou Summit of Mount Eddy. Comment
  CAS-BOT-BC64870  Physaria occidentalis subsp. occidentalis R. C. Wenk 2005-7-15 219 Siskiyou Above South Fork Salmon River, along Yellow Rose Mine trail. Top of pass going N along ridge towards Preacher's Peak. 2130 Comment
  UCD116161  Physaria occidentalis subsp. occidentalis J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3756 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  UC1585429  Picea breweriana R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 52 Siskiyou n of Seiad Valley (at Cook and Green Pass along trail toward Copper Butte); Cook and Green Pass 1530 Comment
  CAS-BOT-BC78168  Picea breweriana W. R. Dudley 1899-7-6 s.n. Siskiyou South slope Siskiyou near Big Meadow Comment
  JEPS35940  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans and finally one takes the Dillon Mtn. road) 1219 Comment
  NY30481  Picea breweriana H. A. Thomas 1943-7-7 8693 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET10925345  Picea breweriana D. V. Hemphill 1968-10-27 Hemphill s.n. Siskiyou Chimney Rock Lake, Klamath National Forest. Forks of Salmon Quadrangle. T41N, R12W, S30. 1890 Comment
  HSC103157  Pinus albicaulis Michael Kauffmann 2013-8-8 21 Siskiyou The Whaleback 2541 Comment
  JEPS82671  Pinus albicaulis Steve Edwards 1984-6-7 Siskiyou South China Mountain 2438 Comment
  UC1037414  Pinus albicaulis Douglas Barbe 1955-8-5 360 Siskiyou ridge nw of the summit Caribou Mountain (in the Salmon Mountains); Klamath Mountains 2407 Comment
  CAS-BOT-BC78324  Pinus attenuata L. E. Smith 1913-6-12 365 Siskiyou Sisson Comment
  LA16840  Pinus attenuata Carl B. Wolf; 1934-7-4 5929 Siskiyou Klamath River, 0.3 mi. below Walker Creek 426 Comment
  NY34644  Pinus attenuata C. G. Pringle 1881-8-17 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC78411  Pinus balfouriana J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3769 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2133 Comment
  UC55648  Pinus contorta subsp. murrayana Harley P. Chandler 1901-6-1 1575 Siskiyou ridges and meadows near Marble Mountain (Klamath River to Marble Mountain); North Coast Ranges 1828 Comment
  CAS-BOT-BC78713  Pinus jeffreyi Gilbert Muth 1966-7-27 457 Siskiyou Marble Gap, Marble Mts. 2042 Comment
  RSA237207  Pinus lambertiana Frederick W. Oettinger 1967-8-26 329 Siskiyou Southeast of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  MACF017437  Pinus monticola Trudy R. Ericson 1974-8-9 225 Siskiyou Hwy 33 between Cecilville and Callahan, approx. 9.4 mi. west of intersection of forest hwy and Ca. 33 Comment
  POM120192  Pinus ponderosa Geo D. Butler 1910-4-24 1237 Siskiyou Quartz Valley Comment
  UC1600414  Pinus ponderosa Kate Stirring 1904-9-25 Siskiyou Etna Mills Comment
  UC401411  Pinus ponderosa Geo. D. Butler 1908-7-12 1097 Siskiyou Humbug Mountain Comment
  JEPS96842  Piperia unalascensis Dean W. Taylor 1988-7-8 9933 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  JEPS80605  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou by waterfall; Marble Mt. Wilderness Area, Marble Valley 1828 Comment
  SEINET15345844  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3502 Siskiyou Yreka Creek, Siskiyou Mts. 853 Comment
  UC726461  Plagiobothrys hispidulus A. A. Heller 1919-6-25 13264 Siskiyou Compton's Prairie Comment
  RSA47773  Plagiobothrys tenellus Roxana S. Ferris, Laura Lorraine 11891 Siskiyou 1 mile below summit of Gazelle Mt grade, W side Gazelle-Callahan Road. 1220 Comment
  RSA715775  Plantago eriopoda L. Ahart, John Dittes 2005-6-10 12104 Siskiyou 30 yards E of the Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air miles S of highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  RSA240061  Plantago major Frederick W. Oettinger 1969-8-9 1312 Siskiyou Above Trail near Young's Cabin on North Fork of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC61844  Platanthera dilatata var. leucostachys Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  SBBG30576  Platanthera dilatata var. leucostachys D. Myrick 1968-6-28 2053 Siskiyou Mtn Meadow Ranch, Big Flat, head of Coffee Crk 1524 Comment
  HSC61884  Platanthera dilatata var. leucostachys Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  UC61188  Platanthera leucostachys W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  HSC29095  Platanthera sparsiflora Frederick W. Oettinger 1969-7-17 1050 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; Inlet to Upper English Lake 1921 Comment
  HSC69088  Platanthera sparsiflora Maralyn A. Renner 1980-8-6 2311 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC261048  Poa Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Hwy 96, between Ridge and Humbug Roads 1371 Comment
  CAS-BOT-BC254784  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  HSC30667  Poa bolanderi Frederick W. Oettinger 1969-9-4 1644 Siskiyou Marble Mtn. Wilderness Area, between Lily Pond and Tobacco Lake. 1921 Comment
  RSA239029  Poa bolanderi Frederick W. Oettinger 1969-9-2 1586 Siskiyou Bear Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  HSC36818  Poa bulbosa J. P. Smith 1974-5-27 7615 Siskiyou Along FS Rd. 47N03 1280 Comment
  POM112585  Poa nervosa Geo D. Butler 1910-5-10 1318 Siskiyou Goosenest foothills 1677 Comment
  CAS-BOT-BC256020  Poa pratensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53415 Siskiyou Oro Fino 853 Comment
  HSC65258  Poa pratensis J. P. Smith 1973-5-5 6427 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC92154  Poa pratensis Jennifer Whipple 1977-7-21 2011 Siskiyou Near Durney Lake 2073 Comment
  SEINET10523337  Poa pratensis Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6987 Siskiyou Yellow Pine, Libocedrus, Douglas Fir, Western Hemlock forest, 17.4 mi NE of Cecilville Store, on road to Callahan. 2073 Comment
  CAS-BOT-BC256009  Poa pratensis Doris K. Kildale 1928-7-4 5534 Siskiyou 1 1/2 miles east of summit between Sawyers Bar and Etna Comment
  UC149785  Poa pratensis subsp. pratensis H. M. Hall and E. B. Babcock June, 1903 4064 Siskiyou Sisson; Sierra Nevada Mts, Mt Shasta 1066 Comment
  JEPS33849  Poa pringlei Gilbert Muth 1966-7-31 473 Siskiyou n side Black Mt; Marble Mt Wilderness Area 2042 Comment
  RSA233672  Poa pringlei R. F. Thorne, Frederick W. Oettinger 1969-8-10 38976 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC1265427  Poa pringlei Frederick W. Oettinger and R. F. Thorne 1969-8-5 1218 Siskiyou Crapo View Gap above English Lake (vicinity of English Peak); Salmon Mts, western Siskiyou Co, High Lake Basins, Marble Mt 1828 Comment
  CAS-BOT-BC237712  Poa secunda David D. Keck 1949-7-19 6358 Siskiyou 6.5 miles SW of Yreka on road to Fort Jones near head of Yreka Creek at first spring 1127 Comment
  JEPS101878  Poa secunda subsp. juncifolia Dean W. Taylor 1987-6-24 9060 Siskiyou Tom Young Flat 1280 Comment
  UC589888  Poa secunda subsp. juncifolia H. S. Yates 1936-6-21 5823 Siskiyou 1 mi sw Gazelle; Etna Quadrangle 792 Comment
  HSC102656  Poa secunda subsp. juncifolia J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  CAS-BOT-BC243218  Poa secunda subsp. secunda A. A. Heller 1919-6-25 13266 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  CAS-BOT-BC243235  Poa secunda subsp. secunda W. R. Dudley 1899-8-21 s.n. Siskiyou Shackleford Creek 1219 Comment
  HSC27478  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-5-28 5383 Siskiyou 0.2 mi. E of Butcher Gulch on the Cecilville-Forks of Salmon road. 732 Comment
  HSC69703  Poa secunda subsp. secunda Maralyn A. Renner 1980-6-26 1263 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UCD90494  Poa secunda subsp. secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3433 Siskiyou 4 miles W of Hamburg, mouth of Kuntz Creek. Comment
  CAS-BOT-BC244324  Podagrostis humilis W. B. C. 1938-9-17 11695 Siskiyou Mount Shasta. Water Supply Spring, Horse Camp, Hudsonian Comment
  POM230563  Polemonium californicum J. T. Howell 1937-7-24 13377 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC163837  Polemonium californicum Geo. D. Butler 1910-7-9 1717 Siskiyou Marble Mountain 1828 Comment
  RSA262351  Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  UC1190248  Polemonium californicum Ira L. Wiggins 1955-7-29 13574 Siskiyou n-facing slope between Caribou Lake and Pass to Thompson Creek; btw Caribou Lake and Pass to Thompson Creek 1956 Comment
  CAS-BOT-BC230031  Polemonium carneum F. M. A. 1894-7-1 s.n. Siskiyou Siskiyou Mountains near Siskiyou 1524 Comment
  CDA40273  Polemonium micranthum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2579 Siskiyou Grenada, around abandoned railroad station building and tracks. Comment
  UC602587  Polemonium pulcherrimum W. Bridge Cooke 1938-7-28 11376 Siskiyou Mt. Shasta 2895 Comment
  CAS-BOT-BC231354  Polemonium pulcherrimum A. A. Heller 1921-7-17 13577 Siskiyou At the summit of Mt. Eddy near the lookout station 2773 Comment
  RSA600333  Polemonium pulcherrimum L. C. Wheeler 1935-7-24 3695 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek 2012 Comment
  UC107054 Image available Polemonium pulcherrimum subsp. pulcherrimum Copeland 1903-7-16 3515 Siskiyou Mt. Shasta 3169 Comment
  UC705719  Polemonium pulcherrimum subsp. pulcherrimum Marion Ownbey, Fred G. Meyer 1940-7-4 2186 Siskiyou on ridge above head Brewer Creek (e side of Mt. Shasta); e side Mt. Shasta, above head Brewer Creek Comment
  JEPS69909  Polemonium pulcherrimum var. pilosum W. L. Jepson 1894-8-4 14998 Siskiyou Mt. Shasta; above snow line Comment
  UC618619  Polygala cornuta var. cornuta W. Bridge Cooke 1938-7-22 11324 Siskiyou on lava outcropping along trail Mount Shasta, Sisson Southern Trail 1371 Comment
  SEINET6652321 Image available Polygonum arenastrum A. A. Heller 1915-1 1753 Siskiyou Metcalfs ranch, northeast base of Mount Eddy 1189 Comment
  UC1045312  Polygonum convolvulus W. Bridge Cooke 1940-7-12 15322 Siskiyou on Castle Lake road near Mount Shasta City Comment
  RSA211290  Polygonum davisiae William J. Ferlatte 1966-8-5 341 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  RSA237799  Polygonum davisiae Frederick W. Oettinger 1968-8-4 396 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  UC917356  Polygonum davisiae R. Tofsrud and J. M. Tucker 1948-8-2 1760 Siskiyou Meadows Mt. Shasta (s s lope of mt.) 2407 Comment
  CAS-BOT-BC414586  Polygonum douglasii Wm. Bridge Cooke 1938-7-29 11422 Siskiyou Mount Shasta. Wagon Camp. Along Wagon Camp Creek Comment
  POM104494  Polygonum douglasii Geo. D. Butler 1910-7-14 1779 Siskiyou Shackleford Creek. 1220 Comment
  JEPS94858  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald and Lowell Ahart 1998-8-3 9405 Siskiyou 11. 5 mi w of Gazelle (junction of Gazelle-Callahan Road and USFS 41N03); junction of Gazelle-Callahan Road and USFS 41N03 1524 Comment
  UC375323  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-8-6 184 Siskiyou summit s Marble Valley Comment
  UC166100  Polygonum minimum Geo. D. Butler 1910-7-13 1776 Siskiyou Shackleford Creek 1219 Comment
  UC164403  Polygonum persicaria Geo. D. Butler 1908-7-8 194 Siskiyou along creek near Yreka Comment
  UC375149  Polygonum phytolaccifolium Geo. D. Butler 1908-8-4 182 Siskiyou Shackleford Creek; head Comment
  JEPS109979  Polygonum polygaloides subsp. confertiflorum Dean W. Taylor 2005-7-13 19393 Siskiyou Dry Lake (ca 9 air miles N of Bartle on Highway 89) 1402 Comment
  UC1023733  Polygonum polygaloides subsp. kelloggii W. Bridge Cooke 1941-7-18 16063 Siskiyou along Wagon Camp-Bear Springs road Mount Shasta Comment
  CAS-BOT-BC420152  Polygonum ramosissimum subsp. ramosissimum Wm. Bridge Cooke 1940-8-2 15403 Siskiyou Mount Shasta. Along the road in Bear Springs meadow. Comment
  CAS-BOT-BC383121  Polygonum shastense Andrew Townesmith; Karen M. Meyer 2007-7-30 867 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  CAS-BOT-BC95032  Polygonum shastense R. C. Wenk 2008-7-24 912 Siskiyou SW side of Mount Shasta, Panther Meadow 2255 Comment
  JEPS40856  Polygonum shastense Paul C. Hutchison 1962-8-2 935 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2621 Comment
  RSA142622  Polygonum shastense P. A. Munz 1960-8-22 24182 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  HSC2389  Polygonum spergulariiforme William J. Ferlatte 1966-8-18 431 Siskiyou Willow Creek Trail. 1707 Comment
  RSA466411  Polygonum spergulariiforme M. B. Dunkle 1944-8-25 9176 Siskiyou Siskiyou National Forest; Coastal Northern California. Comment
  CAS-BOT-BC237392  Polypogon monspeliensis D. H. Norris 1970-5-23 12248 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  HSC27778  Polystichum imbricans J. P. Smith, J. O. Sawyer 1972-9-13 5783 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC1144  Polystichum imbricans R. W. Spjut 1968-11-5 165 Siskiyou 1 mi. from S Suggar Lake in the Salmon Mtns. 1829 Comment
  CAS-BOT-BC76729  Polystichum imbricans subsp. imbricans J. H. Thomas 1949-6-16 953 Siskiyou Klamath National Forest - 1/4 mile north of Beaver Creek Public Camp along Beaver Creek; 5 miles north of junction Comment
  CAS-BOT-BC76735  Polystichum imbricans subsp. imbricans L. B. Kildale 1930-6-1 9780 Siskiyou Black Bear Trail to Sawyers Bar Comment
  CAS-BOT-BC76732  Polystichum imbricans subsp. imbricans J. H. Thomas 1954-5-14 4176 Siskiyou Salmon Mountains, Klamath National Forest - near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1219 Comment
  CAS-BOT-BC76734  Polystichum imbricans subsp. imbricans Donald L. Branscomb 1958-7-1 s.n. Siskiyou Mount Shasta Comment
  CAS-BOT-BC376179  Polystichum lemmonii Andrew Townesmith; Karen M. Meyer 2007-8-1 887 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  CAS-BOT-BC72389  Polystichum lemmonii John Thomas Howell 1937-7-29 13668 Siskiyou North side of Scott Mt. Comment
  POM22933  Polystichum lemmonii E. B. Copeland 1903-8-18 3813 Siskiyou Mount Eddy 1677 Comment
  UC1408837  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou sw of Upper English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1874 Comment
  POM210965  Polystichum scopulinum L. C. Wheeler 1934-8-13 3113 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  RSA693356  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  SEINET8233949  Populus balsamifera Frank Callahan 2007-1 Siskiyou Moffett Creek. 884 Comment
  HSC28674  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou Marble Mtn. Wilderness Area, N of Pine Lake 1860 Comment
  CAS-BOT-BC102960  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  CAS-BOT-BC102961  Populus trichocarpa Grant 1902-9-1 5230 Siskiyou Sisson 1127 Comment
  HSC2240  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  JEPS104988  Porterella carnosula Dean W. Taylor 1996-7-27 15860 Siskiyou Grass Lake (about 15 air miles northeast of Weed); Klamath National Forest 1524 Comment
  SEINET10460782  Porterella carnosula H. W. Furlong Furlong s.n. Siskiyou Northern California, Summit to Ager; Ager is about 10 mile (airline) south of the Oregon border and about 11 miles (by road) north of Montague Comment
  RSA602928  Potamogeton richardsonii L. C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains. Lily Pad Lake, head West Fork Seiad Creek. Comment
  CAS-BOT-BC143181  Potentilla breweri John Thomas Howell 1939-8-2 14903 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC61830  Potentilla breweri Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC61832  Potentilla breweri Ruby Van Deventer 1938-4-29 Siskiyou Poker Flat 1585 Comment
  SEINET11916232  Potentilla breweri var. expansa H. P. Chandler 1901-1 1697 Siskiyou Ridges & meadows near Marble Mtn 1524 Comment
  HSC69361  Potentilla flabellifolia Maralyn A. Renner 1980-8-19 2487 Siskiyou S side of Caribou Lake 2104 Comment
  RSA507455  Potentilla glandulosa S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  RSA68942  Potentilla glandulosa subsp. ashlandica A. E. Culbertson 1943-7-7 16 Siskiyou Castle Lake, in a N facing cirque with an abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of 6600' eastern spur of Trinity Mts. 2000' above Sacramento R. within 10 air miles of its headwaters to the W. 1657 Comment
  CHSC86636  Potentilla gracilis Jenny Marr 1993-7-1 19 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC618831  Potentilla gracilis David Keck 1938-7-29 11395 Siskiyou Bear Springs , Bear Springs (Mount Shasta) 1524 Comment
  RSA237845  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1969-7-31 1118 Siskiyou Along trail midway between English Lake and drift fence. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1037371  Potentilla gracilis var. fastigiata Douglas Barbe 1955-7-7 140 Siskiyou s Forest Camp; Klamath Mountains, Etna 883 Comment
  UC538009  Potentilla millefolia Leo Whitney 1934-6-10 3035 Siskiyou Tennant Dorris Quad., , Tennant (Antelope Creek) 1219 Comment
  SEINET6637083  Potentilla millefolia L. C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2mi NW Montague 762 Comment
  UC711899  Potentilla rivalis Roxana S. Ferris and Laura Lorraine 1941-8-11 10501 Siskiyou Grass Lake Station Grass Lake Station (on U.S. Highway 97) 1554 Comment
  HSC32245  Primula suffrutescens J. O. Sawyer 1970-8-5 2357 Siskiyou Sawtooth Ridge S of Caribou Lake 2195 Comment
  RSA211268  Primula suffrutescens William J. Ferlatte 1966-8-17 399 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  UCR52365  Primula suffrutescens K. Berg, Stephanie Bennett 1986-8-25 645 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  HSC65492  Prosartes hookeri R. White 1977-7-21 124 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  CAS-BOT-BC516390  Prosartes hookeri Alice Eastwood 1921-7-30 11031 Siskiyou Soda Creek Canyon Comment
  CAS-BOT-BC158245  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  HSC58847  Prunus emarginata Marvin Butler 1971-7-7 45 Siskiyou Near El Capitan, close to the town of Cave Junction 1464 Comment
  RSA48221  Prunus emarginata Roxana S. Ferris 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon road. Comment
  CAS-BOT-BC158225  Prunus emarginata W. R. Dudley 1901-8-25 s.n. Siskiyou Near 14 mile Post, Salmon Creek, Salmon Mts. Comment
  UCSB23231  Prunus emarginata Keefe, Joseph 1967-7-11 Siskiyou East shore of Castle Lake, 10 miles southwest of city of Mt. Shasta. 1706 Comment
  UCSB24428  Prunus subcordata Favero, R. 1968-3-27 Siskiyou 1 mile southeast of Hombrook, on Ager road, Siskiyou Mountains. 701 Comment
  POM88405  Prunus virginiana var. demissa Geo. D. Butler 1910-7-24 1795 Siskiyou [Greka or Silka]? Creek Comment
  RSA15596  Prunus virginiana var. demissa Carl B. Wolf 1927-8-27 1111 Siskiyou On the Klamath River, Happy Camp. Comment
  UC375375  Prunus virginiana var. demissa Geo. D. Butler Jul 14 1908-May 16 1909 1047 Siskiyou near Yreka Comment
  CHSC63596  Pseudognaphalium stramineum Vernon H. Oswald; Lowell Ahart 1994-8-10 6451 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  HSC43366  Pseudognaphalium stramineum N. G. Sugihara 1977-5-28 86 Siskiyou Burned hillside, 0.3 mi. toward Sawyer's Bar from Hwy. 96 S of Somes Bar Comment
  OBI55445  Pseudognaphalium thermale David J. Keil 1992-7-20 23503 Siskiyou Klamath Natl Forest, SW of Fort Jones. along Forest rd 46N64, 2.8 mi W of Scott river Rd Comment
  RSA17736  Pseudoroegneria spicata subsp. spicata Elmer I. Applegate 1935-6-10 9461 Siskiyou Indian Well, Lava Bed National Monument Comment
  HSC75250  Pseudostellaria jamesiana J. P. Smith, Steve Selva 1970-7-27 4512 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  RSA610788  Pseudostellaria jamesiana L. C. Wheeler 1935-6-27 3599 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  CAS-BOT-BC80168  Pseudotsuga menziesii Louis C. Wheeler 1934-9-4 3243 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1371 Comment
  CAS-BOT-BC80171  Pseudotsuga menziesii Doris K. Kildale 1928-8-18 6431 Siskiyou North Fork Salmon River at Finley Camp Comment
  HSC69562  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-8-6 2286 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  HSC27947  Pteridium aquilinum var. pubescens Carl W. Mize 1972-9-24 123 Siskiyou Old rd. past U-turn 816 Comment
  HSC30661  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou Marble Mountain Wilderness Area, near Tom Taylor Cabin 2027 Comment
  UCR17257  Purshia tridentata Frank C. Vasek 1975-6-29 750617- 02 Siskiyou 4.3 mi SW of Gazelle Comment
  CAS-BOT-BC147904  Purshia tridentata var. tridentata Alice Eastwood 1912-7-19 1232 Siskiyou Mount Shasta Comment
  RSA120906  Purshia tridentata var. tridentata Milo S. Baker 1957-6-15 13103 Siskiyou Just south of Weed. Comment
  HSC41796  Pyrola aphylla Brent Whiteley 1975-6-28 101 Siskiyou Irving sale of the Klamath River. 915 Comment
  HSC19202  Pyrola picta J. O. Sawyer 1968-7-2 373 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  CAS-BOT-BC466134  Pyrola picta Doris K. Kildale 1929-8-24 9073 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC60913  Pyrola picta Al Hobart Siskiyou Black Butte Comment
  UCSB22296  Pyrola picta Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  HSC2327  Pyrrocoma racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  HSC85676  Pyrrocoma racemosa var. pinetorum J. P. Smith 1980-8-24 10344 Siskiyou Klamath National Forest. Forest Rd. 40N03, 0.3 mi. from its junction with State Route 3; 2.72 mi. from county line 1463 Comment
  UC595075  Pyrrocoma racemosa var. pinetorum David D. Keck 1938-8-8 4862 Siskiyou 3 mi se Scott Mt. Lodge (ridge between Mill Creek and Mule Creek); Scott Mts. 1340 Comment
  CAS-BOT-BC68649  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1371 Comment
  CAS-BOT-BC68650  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Klamath National Forest, Bear Creek 1371 Comment
  RSA573417  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Bear Creek off West Fork Beaver Creek. 1372 Comment
  JEPS37935  Quercus garryana W. L. Jepson 1907-7-22 2955 Siskiyou Hamburg, w Siskiyou County Klamath River Comment
  HSC74869  Quercus garryana var. breweri J. P. Smith, Jennifer Whipple 1978-7-2 9989 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UCD46070  Quercus garryana var. garryana Frank C. Vasek 1975-6-29 750629 -1 Siskiyou 1.9 miles south of Gazelle (toward Edgewood). Comment
  CAS-BOT-BC105464  Quercus kelloggii Mrs. Pettibone 1894-8-7 s.n. Siskiyou Upper Soda Springs Comment
  UCD105619  Quercus kelloggii K. M. Meyer; A. Townesmith 2007-8-4 190 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on rd. 7J001 out of Yreka, CA. (road past the water tower). 1286 Comment
  CAS-BOT-BC104364  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock valley trail and Canyon Creek trail, Marble Mountain Wilderness Area 1341 Comment
  JEPS8479  Quercus sadleriana Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3454 Siskiyou about 1.5 mi se and below saddle at summit of Takilma-Happy Camp road Comment
  SBBG25325  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou jct Red Rock Valley trail and Cyn Crk trail; Marble Mtn Wilderness 1341 Comment
  SEINET3136091  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou Marble Mtn Wilderness Area, jxn Rock Valley trail and Canyon Creek trail; T43 R11W, se corner S7 1341 Comment
  UC637062  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  UCD47257  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  UCD47274  Quercus sadleriana Dean W. Taylor 1972-7-1 s.n. Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass, north of Seiad Valley, T. 47N, R11W, Sect. 9, Seiad Valley Quadrangle; 1463 Comment
  UCSB57179  Quercus sadleriana Holloway, Sandra 1963-10-12 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail (T.43.R.11W., southeast corner section 7), Marble Mountain Wilderness Area Comment
  RSA697641  Quercus sadleriana Leo Miller 1938-07 s.n. Siskiyou On top of mountains between Illinois and Roove Rivers 12 miles east of Agness Ore. 762 Comment
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Apr 26 2014
  SEINET12029704  Quercus sadleriana S. Edwards, Roderick, W. 1983-1 105 Siskiyou E of Cook & Green Pass Comment
  CAS-BOT-BC104637  Quercus vacciniifolia W. R. Dudley 1899-8-22 s.n. Siskiyou Near Spring - Craggy Mt. Comment
  POM210972  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou W Fork Beaver Creek, Siskiyou Mts. Mt Diablo Mer 1677 Comment
  UC1409455  Quercus vacciniifolia Frederick W. Oettinger 1968-8-13 507 Siskiyou ne side Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1935 Comment
  UCD47422  Quercus vacciniifolia A. T. Leiser 1968-8-3 s.n. Siskiyou Castle Lake campground, Siskiyou Co. Comment
  CHSC63323  Raillardella pringlei Vernon H. Oswald; Lowell Ahart 1994-7-11 6400 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. Meadow. 1783 Comment
  CAS-BOT-BC379472  Ranunculus alismifolius Dorothy Parker 1946-6-12 136 -A Siskiyou marshy soil along the edges of Middle Boulder Lake 488 Comment
  HSC44976  Ranunculus alismifolius var. alismellus J. O. Sawyer 1978-6-20 3271 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  UC61079  Ranunculus aquatilis var. capillaceus W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  RSA238280  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Salamander Pond near Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA715780  Ranunculus cymbalaria var. saximontanus L. Ahart, John Dittes 2005-6-9 12040 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  CDA24326  Ranunculus glaberrimus Don Shaw 1977-4-2 Siskiyou Sam s Neck, near Dorris. 0 Comment
  HSC68500  Ranunculus occidentalis var. occidentalis Maralyn A. Renner 1980-6-22 902 Siskiyou Slopes N of Little Shasta River 1372 Comment
  SEINET12100634  Ranunculus orthorhynchus Unknown 1936-1 13306 Siskiyou Hornbrook Comment
  RSA604936  Ranunculus populago Louis C. Wheeler 1935-7-23 3685 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2012 Comment
  SJSU6491  Ranunculus uncinatus R. W. Trivelpiece 1972-6-14 107 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  UC1333320  Ranunculus uncinatus Dorothy Parker 1949-5-26 Siskiyou near Wildcat Creek; Salmon Mountains Range 1188 Comment
  SD88528  Ranunculus uncinatus Darley F. Howe 1972-7-4 Siskiyou Youngs Valley 1493 Comment
  POM126445  Rhamnus californica subsp. occidentalis A. M. Alexander, Louise Kellogg 1911-7-16 244 Siskiyou S F Salmon River. 1524 Comment
  CAS-BOT-BC56110  Rhamnus ilicifolia Carl B. Wolf 1927-8-26 1031 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC4878  Rhododendron columbianum J. O. Sawyer 1968-6-25 289 Siskiyou NE of N Horse Range Lake 2012 Comment
  CHSC598  Rhododendron neoglandulosum M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  OBI14446  Rhododendron occidentale H. E. McMinn 1931-6-27 2535 Siskiyou Summit above Weitchpec Comment
  CAS-BOT-BC200351  Rhododendron occidentale var. paludosum Alice Eastwood 1917-9-2 6648 Siskiyou Shasta Springs Comment
  HSC36726  Rhododendron occidentale var. paludosum Brent Whiteley 1975-6-28 81 Siskiyou 915 Comment
  HSC100036  Rhus aromatica J. P. Smith, & J. O. Sawyer 2010-5-6 12821 Siskiyou Along Rd. 92K02, E of Copco. 778 Comment
  UC375358  Ribes aureum Geo. D. Butler 1908-6-20 266 Siskiyou near Yreka Comment
  HSC64666  Ribes binominatum J. O. Sawyer 1977-7-6 3032 Siskiyou S of Little Duck Lake 2134 Comment
  CAS-BOT-BC108775  Ribes cereum W. R. Dudley 1899-8-1 s.n. Siskiyou Craggy Peak. Comment
  JEPS43487  Ribes cereum W. L. Jepson 1940-6-23 20019 Siskiyou near n base Mt. Shasta (Andesite siding on S. P. Railway) 1402 Comment
  UC725465  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou 8 mi n Weed (on Highway 97) Comment
  UCD102130  Ribes cereum Jack Major 1961-7-14 635 Siskiyou Panther Creek, Mount Shasta. 1790 Comment
  SEINET13942379 Image available Ribes cereum E. K Balls 1950-1 14703 Siskiyou Lava beds. Lava Beds National Monument, below Indian Well Public Camp. Alt 4600 ft 1402 Comment
  CAS-BOT-BC168865  Ribes inerme var. klamathense Doris K. Kildale 1929-4-27 7842 Siskiyou Cecilville, Upper South Fork of Smith River Comment
  UC1181815  Ribes inerme var. klamathense Dorothy Parker 1950-4-28 407 Siskiyou along Scott River Siskiyou Mountains, Scott Valley 853 Comment
  HSC29431  Ribes lacustre Frederick W. Oettinger 1968-8-6 426 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  HSC69539  Ribes lacustre Maralyn A. Renner 1980-8-6 2249 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  RSA0021103  Ribes lacustre Joseph P. Tracy 1951-6-16 19498 Siskiyou Summit of the Siskiyous, at crossing of the Takilma-Happy Camp Road near state line. Comment
  HSC19377  Ribes lobbii J. O. Sawyer 1968-9-11 694 Siskiyou E of Mud Lake 1494 Comment
  HSC32159  Ribes lobbii J. O. Sawyer 1970-6-17 2202 Siskiyou 1768 Comment
  CAS-BOT-BC212482  Ribes marshallii Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh Lake Comment
  HSC76999  Ribes marshallii K. T. Stillman 1976-6-25 90 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  CHSC93510  Ribes montigenum Lowell Ahart; John Dittes 2005-6-9 12036 Siskiyou Hill, along a rock fence, about 100 yards southeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC219272  Ribes nevadense John Thomas Howell 1937-7-22 13310 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC98217  Ribes nevadense J. O. Sawyer 1969-7-9 1227 Siskiyou SE facing slope above South Sugar Lake 1890 Comment
  SEINET3151816  Ribes nevadense G. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1372 Comment
  HSC39740  Ribes roezlii var. cruentum J. O. Sawyer 1970-4-3 2095 Siskiyou Along Sugar Creek 915 Comment
  RSA0024598  Ribes roezlii var. cruentum G. D. Barbe 1955-6-29 44 Siskiyou 2.1 miles east of Callahan on Trinity Center Road, about 600 feet beyond the bridge. 976 Comment
  UC637110  Ribes sanguineum Annetta Carter 1934-8-13 707 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed 1463 Comment
  RSA0019542  Ribes sanguineum Geo. D. Butler 1909-4-24 670 Siskiyou Cherry Creek. Comment
  HSC20361  Ribes velutinum R. C. Wunner 1965-7-1 337 Siskiyou Lava Beds National Monument, near N Prefab. 1433 Comment
  UC162062 Image available Ribes velutinum A. A. Heller 1905-6-9 8005 Siskiyou Yreka; ; Yreka, Siskiyou Co. Comment
  HSC76888  Ribes viscosissimum K. T. Stillman 1976-7-7 152 Siskiyou Marble Mtn. Wilderness Area, trail from S Kelsey Creek to Paradise Lake 1677 Comment
  CHSC96027  Ribes viscosissimum var. viscosissimum L. P. Janeway 2006-7-3 8753 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead near upper Music Creek. 1893 Comment
  CDA8539  Rigiopappus leptocladus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2774 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  UC1173693  Romanzoffia californica Joseph P. Tracy 1939-4-29 16269 Siskiyou Somes Bar 182 Comment
  UC1409440  Rorippa curvisiliqua Frederick W. Oettinger 1968-8-22 495 Siskiyou high lake basins in vicinity English Peak (just before first moraine enroute to Tobacco Lake); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC1023841  Rorippa nasturtium-aquaticum Douglas Barbe 1955-6-29 30 Siskiyou 1 mi e Callahan (Klamath Mountains); , e of Callahan 975 Comment
  CHSC9503  Rosa bridgesii J. F. Goodwin 1971-7-3 140 Siskiyou North side of road on hillside, 8.2 mi. south of Mt. Shasta Ski Bowl area. 1524 Comment
  CAS-BOT-BC146741  Rosa gymnocarpa A. A. Heller 1905-6-5 s.n. Siskiyou Between Shasta Retreat and Shasta Springs Comment
  CAS-BOT-BC146751  Rosa gymnocarpa A. M. Vollmer; L. Beane 1951-6-2 52 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CAS-BOT-BC146767  Rosa gymnocarpa Geo. D. Butler 1910-5-30 1437 Siskiyou Humbug Mt. 1219 Comment
  RSA237812  Rosa gymnocarpa Frederick W. Oettinger 1969-9-4 1640 Siskiyou NW side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  CAS-BOT-BC148326  Rosa pisocarpa Alice Eastwood 1917-9-2 6663 Siskiyou Shasta Springs Comment
  RSA52431  Rosa pisocarpa Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mtn. 1583 Comment
  CAS-BOT-BC148190  Rosa rubiginosa L. B. Kildale 1930-5-31 9805 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC149741  Rosa woodsii subsp. ultramontana Lewis S. Rose 1945-6-18 45136 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC147981  Rubus leucodermis Carl B. Wolf 1927-8-27 1134 Siskiyou At mouth of Crawford Creek, Klamath River Comment
  CAS-BOT-BC147308  Rubus parviflorus John Thomas Howell 1937-7-21 13190 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC144393  Rubus parviflorus A. A. Heller 1905-6-1 7949 Siskiyou between Upper Soda Spring and Shasta Retreat; between Upper Soda Spring and Shasta Retreat Comment
  HSC63041  Rubus ursinus J. P. Smith 1973-5-5 6420 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC73299  Rubus ursinus M. A. Baker 1980-6-20 2214 Siskiyou Near Bald Mtn. 1036 Comment
  HSC39753  Rumex acetosella J. O. Sawyer 1969-8-1 1619 Siskiyou Along road 41N14 at trail to Eaton Lake 1402 Comment
  JEPS3040  Rumex occidentalis Willis L. Jepson Jul 24 1894-Aug 10 1894 14852 Siskiyou Sisson Upper Sacramento Region, Strawberry Valley Comment
  CAS-BOT-BC433865  Rumex salicifolius Peter H. Raven 1956-8-11 10068 Siskiyou 9.6 miles south of turnoff to Bray on U.S. Highway 91 Comment
  CHSC72240  Rumex stenophyllus Vernon H. Oswald 1998-9-16 9647 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. 1243 Comment
  HSC17612  Rumex triangulivalvis R. C. Wunner 1965-6-22 266 Siskiyou Lava Beds NM, 1 mi. NW of Stronghold 1220 Comment
  CDA33462  Sagina procumbens Ken Burbank 2010-7-9 PDR# 1414044 Siskiyou Weed; Weed Golf Course. 0 Comment
  UCD77983  Sagina procumbens Robert E. Preston 2001-7-20 1679 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1700 Comment
  HSC44957  Sagina saginoides J. O. Sawyer 1978-6-16 3228 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  CAS-BOT-BC445652  Sagittaria cuneata Calvin McMillan; Malcom A. Nobs 1949-6-17 799 Siskiyou Grass Lake, Highway 97 Comment
  CAS-BOT-BC103534  Salix commutata John Thomas Howell 1939-8-7 15125 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  SBBG50695  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 a Siskiyou near Paradise Lake, Paradise Lake Public Camp, base of Kings Castle on the E side, Marble Mountain Wilderness Area 1981 Comment
  POM106928  Salix exigua Geo. D. Butler 1910-5-20 1369 Siskiyou Near Yreka. Comment
  CAS-BOT-BC107787  Salix hindsiana L. R. Abrams 1922-8-7 9903 Siskiyou Klamath River, 6 miles below Hornbrook Comment
  POM107037  Salix laevigata Geo. D. Butler 1909-9-20 1084 Siskiyou Yreka Creek. Comment
  POM362652  Salix laevigata E. E. Stanford 1930-6-16 1604 Siskiyou Near Hornbrook. Comment
  RSA610753  Salix laevigata Louis C. Wheeler 1935-5-11 3473 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  SEINET4471748 Image available Salix laevigata var. angustifolia E. L. Greene 1876-1 795 Siskiyou Yreka Comment
  HSC19977  Salix lasiandra R. C. Wunner 1965-8-14 427 Siskiyou Lava Beds National Monument, N boundary near Hovey Pt. 1220 Comment
  HSC75712  Salix lasiandra J. P. Smith, J. O. Sawyer 1972-5-28 Siskiyou 5 mi. S of Etna on Hwy. 3 915 Comment
  UC1196581  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1935-8-1 14407 Siskiyou on ridge between Salmon <River> and New River (at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek 1889 Comment
  UC163665  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-4-9 1161 Siskiyou Yreka Creek Comment
  UC482236  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou ca. 16 km. n.w. Shasta City (stream above Metcalf ranch house, n.e. side Mt. Eddy); Mt. Eddy 1425 Comment
  CAS-BOT-BC125447  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 429 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City; east of Metcalf ranch house 1200 Comment
  CAS-BOT-BC125457  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1350 Comment
  CAS-BOT-BC125461  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1425 Comment
  CAS-BOT-BC107077  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  RSA5699  Salix lasiolepis H. P. Bracelin 1931-6-19 410 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC482242  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 417 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC576377  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 852 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC128301  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7499 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  UC481731  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou near hwy. at Flume Creek Camp (Flume Creek - tributuary of Pit River); Flume Creek 555 Comment
  CAS-BOT-BC129038  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 443 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  CDA119  Salix scouleriana D. G. Kelch 2007-7-25 7 .5 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  POM219901  Salix scouleriana H. P. Bracelin 1931-6-20 446 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  RSA201313  Salix scouleriana J. T. Howell 1939-8-6 15102 -A Siskiyou Elk Peak. Marble Mtns. Comment
  SJSU200  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou Wagon Cr Canyon c. 1 km up from Metcalf ranch house, E side of Mt Eddy c.17 km NW of Shasta city 1158 Comment
  UC481725  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou ca. 13 km. n.w. Shasta City (at bridge ca. 1.3 km. e. of Burney Mill, n. base of Mt. Eddy); Mt. Eddy 1110 Comment
  CAS-BOT-BC129042  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  HSC28676  Salix sitchensis Frederick W. Oettinger 1968-9-4 697 Siskiyou Marble Mtn. Wilderness Area, SE of Abbott's Lake 1768 Comment
  UC1124683  Salvia dorrii var. dorrii M. H. Mitchell 1936-5-21 Siskiyou Frozen River Cave; Modoc Lava Beds National Monument, Dorris Quad. 1356 Comment
  HSC14354  Salvia dorrii var. incana R. C. Wunner 1965-6-13 150 Siskiyou Lava Beds National Monument, Devil's Homestead Lava Flow 1296 Comment
  CAS-BOT-BC225206  Salvia sonomensis L. E. Smith 1913-8-12 521 Siskiyou McCloud Comment
  CHSC14084  Salvia sonomensis K. R. Stern; D. B. Joley, J. G. Geschke 1974-4-23 5832 Siskiyou Vicinity of Bule Grotto Cave, Lava Beds National Monument. 1456 Comment
  UC1037474  Sambucus mexicana Douglas Barbe 1955-7-5 96 Siskiyou 5.7 mi s Etna (on French Creek Road); Klamath Mountains 883 Comment
  RSA184817  Sambucus microbotrys Gilbert Muth 1966-7-29 459 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1796 Comment
  HSC91433  Sambucus nigra subsp. caerulea Jennifer Whipple 1978-10-6 2417 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  CAS-BOT-BC236477  Sambucus racemosa subsp. racemosa Annie M. Alexander; Louise Kellogg 1948-9-9 5611 Siskiyou Near edge of Taylor Lake, Siskiyou Mountains 1828 Comment
  CHSC32941  Sambucus racemosa var. microbotrys J. P. Smith; Steve Selva 1970-6-16 4066 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  UC114600  Sanguisorba annua Brandegee July 1887 Siskiyou Hornbrook Comment
  RSA237666  Sanicula graveolens Frederick W. Oettinger 1969-7-9 941 Siskiyou NW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  SD112461  Sarcobatus vermiculatus Darley F. Howe 1966-8-27 4310 Siskiyou 2.1 miles east of Highway 97 on Highway 161. 1280 Comment
  UC166552  Saxifraga californica Geo. D. Butler 1910-3-25 1138 Siskiyou Shasta River hills Shasta River Comment
  POM92222  Saxifraga californica Geo. D. Butler 1909-4-25 583 Siskiyou Quartz Valley. Comment
  POM215856  Saxifraga ferruginea Louis C. Wheeler 1934-8-15 3147 Siskiyou Johnson s Dairy. (Mt. Diablo Mer.) 1707 Comment
  RSA237683  Saxifraga mertensiana Frederick W. Oettinger 1969-7-16 1039 Siskiyou Base of cliffs S of Abbott s Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  POM354568  Saxifraga nidifica Christopher Davidson 1975-6-5 2691 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  JEPS25649  Saxifraga odontoloma Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7289 Siskiyou beside rill at Poker Flat 1536 Comment
  CAS-BOT-BC445880  Saxifragopsis fragarioides C. L. Hitchcock; J. S. Martin 1939-7-7 5285 a Siskiyou Sanger Peak 1780 Comment
  CHSC1679  Saxifragopsis fragarioides V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2438 Comment
  HSC19459  Saxifragopsis fragarioides J. O. Sawyer 1969-7-24 1458 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  JEPS82436  Saxifragopsis fragarioides Gilbert Muth 1966-7-25 452 Siskiyou below lookout n Marble Rim; Marble Mountain Wilderness Area 2072 Comment
  CAS-BOT-BC445874  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Hole, Alex Canyon; Siskiyou Mts., Mt. Diablo Mer. 918 Comment
  CAS-BOT-BC283655  Schedonorus pratensis A. A. Heller 1915-8-24 12214 Siskiyou Metcalf's ranch, NE base of Mount Eddy 1188 Comment
  HSC67628  Schoenoplectus tabernaemontani J. P. Smith, Steve Selva 1970-7-16 4393 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CAS-BOT-BC111100  Scirpus microcarpus Laura Myrtle Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  UC149654  Scirpus microcarpus H. M. Hall and E. B. Babcock June, 1903 4044 Siskiyou 18th crossing Mount Shasta, near Sisson (near Sisson) 1036 Comment
  RSA14332  Scirpus microcarpus Elmer I. Applegate 1895-5-28 764 Siskiyou Sisson, Strawberry Valley. Comment
  HSC92411  Scutellaria antirrhinoides Jennifer Whipple 1976-7-13 1455 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  HSC29313  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-1 1128 Siskiyou Marble Mtn. Wilderness Area, Wiregrass Meadow below English Lake 1677 Comment
  RSA14093  Scutellaria antirrhinoides Elmer I. Applegate 1907-09 3306 Siskiyou Thrall, near Klamath River, Shasta Valley. Comment
  RSA82350  Scutellaria nana F. W. Peirson 1923-7-19 3826 Siskiyou 20 miles north of Bray. Comment
  UC1211910  Scutellaria siphocampyloides Roy L. Taylor 1960-6-12 4442 Siskiyou above the Klamath River (1 mi w of jct Hwy 96 (Klamath River Road) and Hwy 99 n of Yreka) Comment
  SD116313  Sedum laxum subsp. heckneri Paul C. Hutchison 1962-8-5 958 Siskiyou Middle Fork of the Applegate River, 3.7 miles above mouth of Carberry Creek. 760 Comment
  CHSC459  Sedum obtusatum subsp. boreale M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC40629  Sedum obtusatum subsp. retusum J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC59367  Sedum obtusatum subsp. retusum M. A. Baker 1979-7-30 1075 Siskiyou Marble Gap 2300 Comment
  POM229949  Sedum oregonense L. C. Wheeler 1934-8-15 3156 Siskiyou E Fork Horse Creek, Siskiyou Mts. Mt. Diablo Mer. 1220 Comment
  HSC99739  Selaginella scopulorum J. O. Sawyer 1969-7-25 1541 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  UC371152  Selaginella wallacei G. D. Butler 1909-7-20 874 Siskiyou Highland Mine Comment
  UC185219  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Salmon Range 1828 Comment
  UC128665  Senecio aronicoides A. A. Heller 1905-6-15 8029 Siskiyou near Sisson Comment
  UCD135520  Senecio aronicoides Wm. E. Moon 1958-5-29 s.n. Siskiyou Hebron summit, State Highway 97. 1584 Comment
  CDA8599  Senecio canus T. C. Fuller 1977-6-14 20211 Siskiyou North of Highway 97, 3 km southwest of Deer Mountain Lodge. 0 Comment
  CAS-BOT-BC363644  Senecio fremontii var. occidentalis G. J. Muth 1969-8-10 1333 Siskiyou Red Mt. Ridge Comment
  CAS-BOT-BC363933  Senecio integerrimus var. exaltatus Carl B. Wolf 1934-7-5 5964 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  JEPS101379  Senecio integerrimus var. exaltatus Dean W. Taylor 1997-6-12 16057 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  SJSU6480  Senecio integerrimus var. exaltatus R. W. Trivelpiece 1972-6-9 94 Siskiyou c. 4 mi E of Grass L. 1524 Comment
  CAS-BOT-BC363939  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-4-9 629 Siskiyou Humbug road Comment
  HSC617  Senecio integerrimus var. major William J. Ferlatte 1966-7-7 197 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC364042  Senecio integerrimus var. major K. T. Stillman 1976-6-25 39 Siskiyou Marble Mountain Wilderness Area. In Marble Valley 1828 Comment
  CAS-BOT-BC364425  Senecio triangularis John Thomas Howell 1939-8-3 15023 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC364445  Senecio triangularis Doris K. Kildale 1929-7-20 8707 Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  HSC19257  Senecio triangularis J. O. Sawyer 1968-7-9 403 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC81561  Senecio triangularis Thomas W. Nelson, Jane P. Nelson 1980-7-19 6208 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  HSC96401  Senecio triangularis Gordon Leppig, J. Kalt 1996-7-9 351 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  JEPS82730  Senecio triangularis Wayne Roderick 1983-7-10 Siskiyou near Del Norte County line; Doe Flat 1143 Comment
  CAS-BOT-BC364437  Senecio triangularis Gilbert Muth 1965-8-2 s.n. Siskiyou Meadow at Marble Valley Comment
  HSC76737  Senecio triangularis K. T. Stillman 1976-7-14 235 Siskiyou Marble Mtn. Wilderness Area; Big Rock Camp & slope to Elk Valley 2073 Comment
  UC1034572  Senecio triangularis Douglas Barbe 1955-7-26 275 Siskiyou n slope Scott Mt. (Klamath Mountains); , n slope Scott Mt. 1828 Comment
Read comments
1
  HSC39742  Sherardia arvensis J. O. Sawyer 1970-4-4 2093 Siskiyou Along Sugar Creek 823 Comment
  POM250746  Sibbaldia procumbens W. Bridge Cooke 1938-8-18 11480 Siskiyou Mt. Shasta. 2470 Comment
  UC60960  Sidalcea asprella subsp. nana Geo. B. Grant September 1902 5144 Siskiyou Mount Shasta Comment
  RSA183655  Sidalcea malviflora subsp. asprella Gilbert Muth 1965-8-12 212 Siskiyou Marble Valley, Marble Mountains Comment
  HSC34305  Sidalcea oregana J. P. Smith, J. O. Sawyer 1973-8-14 7301 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  CHSC1055  Sidalcea oregana subsp. oregana K. Jaekel 1939-7-4 Siskiyou Black Butte meadows, near Mt. Shasta. 1158 Comment
  JEPS67251  Sidalcea oregana subsp. oregana Geo. D. Butler 1909-6-4 768 Siskiyou below Yreka; below Yreka Comment
  UC1299200  Sidalcea oregana subsp. oregana Freed W. Hoffman 1951-7-15 4032 Siskiyou on w side Kelsey Creek (Hammond Camp, Marble Mountains, western Siskiyou County); North Coast Ranges, Marble Mountains 1524 Comment
  HSC172  Sidalcea oregana subsp. spicata William J. Ferlatte 1966-8-18 419 Siskiyou Along the S fork of the Salmon River between the campground and Carter's 1524 Comment
  HSC76662  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-22 290 Siskiyou Marble Mtn. Wilderness Area Comment
  HSC81753  Sidalcea oregana subsp. spicata Thomas W. Nelson, Jane Nelson 1980-7-20 6185 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC166193  Sidalcea oregana subsp. spicata Geo. D. Butler 1910-7-17 1728 Siskiyou Oro Fino Comment
  LA205947  Sidalcea oregana subsp. spicata Wm. Bridge Cooke; 1940-7-5 15229 Siskiyou Mount Shasta, Bear Springs meadow 1523 Comment
  POM61867  Sidalcea oregana subsp. spicata E. B. Copeland, B. Greene 1908-8-12 3822 Siskiyou Sisson. Comment
  CAS-BOT-BC181193  Silene campanulata subsp. glandulosa H. A. Thomas; J. H. Thomas 1954-7-21 4388 Siskiyou About 6 miles SE of Cecilville, west side of Rush Creek, Salmon - Trinity Mts. 1036 Comment
  CAS-BOT-BC181199  Silene campanulata subsp. glandulosa R. C. Barneby 1954-5-16 11508 Siskiyou Klamath R. canyon 10 1/2 mi. below Klamath River P.O. 472 Comment
  JEPS50923  Silene dichotoma Geo. D. Butler 1909-8-17 961 Siskiyou field enar Yreka; Field near Yreka Comment
  JEPS90787  Silene douglasii Dean W. Taylor 1987-6-26 9063 Siskiyou Paynes Springs 2 mi se from Medicine Lake (near head of easternmost spring); Paynes Springs 1996 Comment
  JEPS95043  Silene douglasii Vernon Oswald and Lowell Ahart 1997-7-28 8779 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49 (Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  CHSC96163  Silene grayi L. P. Janeway 2006-7-3 8769 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  CAS-BOT-BC181251  Silene hookeri subsp. hookeri Clarence R. Quick 1959-6-19 59 -08 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  UC585108  Silene lemmonii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1999 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); , above Sulloway Creek 1188 Comment
  POM182779  Silene menziesii var. viscosa Geo. D. Butler 1909-6-10 967 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC175120  Silene suksdorfii Mary Ann Showers 1980-8-28 2071 Siskiyou On vertical n and ne-facing slopes of Red Butte, on lower slope of Mt. Shasta, Shasta-Trinity Natl Forest 2468 Comment
  JEPS53887  Sisymbrium altissimum W. L. Kleaver 1919-6-10 2 Siskiyou Yreka Comment
  UC3864  Smilacina racemosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC454432  Smilacina racemosa I. J. Condit 1911-7-27 Siskiyou Castle Lake Comment
  HSC61170  Smilax californica Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  SEINET6630420  Smilax californica G. D. Butler 1910-1 1466 Siskiyou Quartz Valley Comment
  HSC30444  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou Salmon Mountains, High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area, outlet of Abbott's Lake. 1723 Comment
  HSC45046  Solanum parishii J. O. Sawyer 1978-6-20 3261 Siskiyou Marble Mtn. Wilderness; W of Abbot's Upper Cabin, N Fork Trail 1524 Comment
  HSC43149  Solanum physalifolium var. nitidibaccatum Ken Stillman 1976-8-24 425 Siskiyou Along Klamath River at Williams Point. 366 Comment
  CAS-BOT-BC157048  Solanum umbelliferum J. T. Howell 1939-8-9 15234 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  UC884969  Solanum umbelliferum John Thomas Howell 1939-8-9 15234 Siskiyou Marble Mountains, Shackleford Creek Trail Shackleford Creek Trail; Marble Mountains, Shackleford Creek Trail Comment
  SEINET7262072 Image available Solanum villosum A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's Ranch, NE base of Mount Eddy Comment
  HSC6197  Solidago multiradiata R. C. Wunner 1965-8-14 429 Siskiyou California Lava Beds N. P.; 2 mi. SW on Tichner Rd. from Mammoth Crater 1494 Comment
  OBI55485  Solidago velutina subsp. californica David J. Keil, Kathleen Keil 1992-7-21 23522 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 0.8 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC158927  Sorbus scopulina Alice Eastwood 1912-9-3 2083 Siskiyou North fork Sisson Comment
  POM366679  Sorbus scopulina var. cascadensis M. B. Dunkle 1944-7-8 9083 Siskiyou Deer Creek. 1890 Comment
  RSA577542  Spartina gracilis L. C. Wheeler 1935-6-30 3628 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  HSC30898  Spergula arvensis Melinda F. Denton 1973-6-27 2800 Siskiyou Klamath National Forest, just S of border of Klamath and Siskiyou National Forests, 9 mi. S of intersection of 416C and 4007 on 416C 1628 Comment
  CAS-BOT-BC390715  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  CAS-BOT-BC390722  Spergularia rubra Annie M. Alexander; Louise Kellogg 1949-7-25 5872 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  POM148450  Spiraea douglasii J. B. Feudge 1927-7-22 1683 Siskiyou Mt. Shasta City. 1067 Comment
  POM212072  Spiraea douglasii Carl B. Wolf 1930-10-22 1754 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  UC195237  Spiraea douglasii Annie M. Alexander and Louise Kellogg 1911-7-29 301 Siskiyou Rush Creek 1950 Comment
  UCR47902  Spiraea douglasii Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC152551  Spiraea splendens L. E. Smith 1913-6-29 437 Siskiyou Mt. Eddy Comment
  RSA28132  Spiranthes romanzoffiana Elmer I. Applegate 1923-8-18 3884 Siskiyou Medicine Lake. Comment
  JEPS101600  Stachys ajugoides Dean W. Taylor 1999-8-12 17303 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  CDA19580  Stachys rigida F. G. Andrews, A. J. Gilbert 2002-6-28 s.n. Siskiyou Northern California; Yreka Park, 0.5 mi W of Yreka. 844 Comment
  CAS-BOT-BC202882  Staphylea bolanderi C. H. M. 1919-11-10 s.n. Siskiyou Baird, McCloud River Comment
  SEINET12558110 Image available Stellaria calycantha F. W. Oettinger, R. F. Thomas 1969-1 1166 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain wilderness area, above inlet to Hancock Lake. 1951 Comment
  HSC77793  Stellaria crispa L. P. Janeway 1983-9-11 654 Siskiyou Poker Flat 1524 Comment
  JEPS128457  Stellaria crispa Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -058 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  CAS-BOT-BC204674  Stenanthium occidentale James R. Shevock 2012-7-21 40558 Siskiyou Siskiyou Mts., Rogue River National Forest. Along Forest Service Road 1055, 0.5 mile below Cook and Green Pass, Applegate River Drainage 1432 Comment
  RSA22059  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  RSA69524  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  UCR131615  Stenanthium occidentale L. C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mtns., north side of White Mtn 1829 Comment
  JEPS24635  Stephanomeria lactucina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6790 Siskiyou A little above and east of McBride Springs south slopes of Mt. Shasta. 1432 Comment
  HSC45902  Stipa occidentalis var. occidentalis Laura Witherspoon 1978-8-18 102 Siskiyou Klamath National Forest, road to Ball Mtn. Lookout 2134 Comment
  CAS-BOT-BC61131  Streptanthus barbatus Peter H. Raven 1956-9-5 10455 Siskiyou North Fork of the Sacramento River. 2011 Comment
  UC10857  Streptanthus barbatus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Crossing Mount Shasta, Sisson Comment
  CAS-BOT-BC87846  Streptanthus tortuosus John Thomas Howell 1937-7-24 13385 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC87870  Streptanthus tortuosus Robert F. Thorne; Fred Oettinger 1969-8-10 39004 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta. Above ski lodge. 2438 Comment
  JEPS54009  Streptanthus tortuosus Willis L. Jepson Jul 24 1894-Aug 10 1894 13406 Siskiyou beyond Sisson; Region of the Upper Sacramento, Upton Plateau Comment
  POM143368  Streptanthus tortuosus George B. Grant 1902-9-7 5721 Siskiyou Mt. Shasta 2439 Comment
  UC673193  Streptanthus tortuosus Lincoln Constance and Reed C. Rollins 1942-5-13 2901 Siskiyou metamorphic bluffs near Clear Creek (ca 8 mi s of Happy Camp); Klamath-Siskiyou Region, Klamath River 304 Comment
  UCSB13059  Streptanthus tortuosus 1962-6-11 Siskiyou Base of Black Butte along U.S. Highway 99, 4 miles south of Weed 1188 Comment
  HSC60660  Streptanthus tortuosus var. tortuosus J. P. Smith, Steve Selva 1970-6-15 3928 Siskiyou 5 mi. NW of Forks of Salmon 335 Comment
  HSC60662  Streptanthus tortuosus var. tortuosus J. P. Smith 1976-5-5 8707 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  JEPS62165  Streptopus amplexifolius var. americanus Willis L. Jepson Jul 1894 Siskiyou Sisson Comment
  UC1409320  Streptopus amplexifolius var. americanus Frederick W. Oettinger 1968-8-10 462 Siskiyou inlet to Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC65266  Suksdorfia ranunculifolia Rich White 1977-7-7 114 Siskiyou NE shore of Devil's Punchbowl 1433 Comment
  UC576572  Swertia albicaulis var. nitida L. Constance 1928-6-10 Siskiyou near Dunsmuir Comment
  RSA498175  Symphoricarpos Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  JEPS87629  Symphoricarpos albus var. laevigatus Vernon H. Oswald and Lowell Ahart 1994-8-10 6460 Siskiyou ca. 4 mi. (air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS15)) 1359 Comment
  CAS-BOT-BC234780  Symphoricarpos mollis John Thomas Howell 1939-8-2 14925 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA507754  Symphyotrichum J. C. Semple, S. Heard 1986-8-14 8450 Siskiyou Siskiyou A-10 on Mt. Shasta 2256 Comment
  HSC40421  Symphyotrichum ascendens J. O. Sawyer 1973-7-16 2539 Siskiyou Wooley Creek at junction with Bridge Creek. Comment
  JEPS40813  Symphyotrichum bracteolatum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson, old stage road n in meadow Region of the Upper Sacramento Comment
  CAS-BOT-BC97891  Symphyotrichum eatonii Alice Eastwood 1912-8-28 1954 Siskiyou Cantara, Sisson Comment
  RSA273360  Symphyotrichum foliaceum var. foliaceum J. P. Smith, J. O. Sawyer 1972-9-14 5810 Siskiyou 3.6 miles west of State Route 3 on Road 8 1220 Comment
  CAS-BOT-BC98941  Symphyotrichum foliaceum var. parryi John Thomas Howell 1939-8-7 15133 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  JEPS40844  Symphyotrichum spathulatum Geo. D. Butler 1908-8-10 294 Siskiyou Bottoms Camp, Shackelford Creek Shackelford Creek 1371 Comment
  SEINET10861043  Taeniatherum caput-medusae Edwin B. Copel 1903-7-5 Copeland 3493 Siskiyou North slope of Round Mountain Comment
  UCD107054  Taraxia tanacetifolia Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  CAS-BOT-BC81334  Taxus brevifolia Ira L. Wiggins 1955-7-24 13482 Siskiyou Diversion dam on China Creek 1158 Comment
  CAS-BOT-BC81335  Taxus brevifolia H. A. Thomas; J. H. Thomas 1954-7-23 4472 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC85238  Taxus brevifolia Doris K. Kildale 1928-4-2 4403 Siskiyou Klamath River at Somes Bar Comment
  CAS-BOT-BC85243  Taxus brevifolia Doris K. Kildale 1929-7-20 8669 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  NY17617  Taxus brevifolia W. R. Dudley 1901-8-20 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  JEPS1219  Tellima grandiflora Freed Hoffman 1951-7-11 4035 Siskiyou about 8 mi above Scott River (on Kelsey Creek, Hammond's Stock-raising Camp, w Siskiyou County); Marble Mountains 1524 Comment
  SBBG30494  Tetradymia canescens D. Myrick 1968-6-22 1985 Siskiyou Lava Beds Nat Monument 1371 Comment
  UC169418  Tetrapteron graciliflorum Thomas Howell May 1889 Siskiyou Hornbrook Comment
  JEPS80527  Thalictrum fendleri var. polycarpum Gilbert Muth 1966-7-17 408 M Siskiyou trail to Lookout Marble Mt. Wilderness Area 1889 Comment
  CAS-BOT-BC88077  Thelypodium brachycarpum Frank W. Peirson 1923-7-19 3736 Siskiyou Laird's Landing. Comment
  CDA25195  Thelypodium brachycarpum R. Pederson, G. Pederson 1979-9-18 Siskiyou White Lake Management Unit, Lower Klamath National Wildlife Refuge. 0 Comment
  HSC41794  Thermopsis macrophylla Brent Whiteley 1975-6-28 64 Siskiyou Irving sale of the Klamath River. 915 Comment
  SEINET10448380  Thlaspi montanum Mary Susan Taylor 1980-7-8 Taylor 3097 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  UC609354  Thlaspi montanum var. montanum Eleanor Burks Hart 1938-8-17 907 Siskiyou meadow on se side Upper Wright Lake; se side of Upper Wright Lake 2225 Comment
  CAS-BOT-BC66800  Thysanocarpus curvipes Lewis S. Rose 1945-6-18 45118 Siskiyou Horse Creek and Klamath River. 502 Comment
  CAS-BOT-BC67266  Thysanocarpus radians Grace Wood 1919-4-19 s.n. Siskiyou Yreka. Comment
  JEPS97190  Tofieldia occidentalis subsp. occidentalis Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95048 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  RSA537372  Toxicodendron diversilobum W. Wisura, J. Romero 1991-10-18 4601 Siskiyou 1.3 mi. east of Somes Bar. Comment
  CAS-BOT-BC377096  Tragopogon dubius Wm. Bridge Cooke 1939-6-30 13553 Siskiyou Mount Shasta. Along the lower part of the MacBride Springs Road Comment
  CAS-BOT-BC377155  Tragopogon porrifolius L. B. Kildale 1930-5-31 9815 Siskiyou Island in Klamath River near Hornbrook Comment
  HSC69161  Triantha occidentalis subsp. occidentalis Maralyn A. Renner 1980-8-4 2206 Siskiyou Flint Valley 1390 Comment
  UC2062584  Triantha occidentalis subsp. occidentalis Belinda Lo with Alex Randolph-Lowe 2017-7-16 340 Siskiyou SISKIYOU COUNTY: Klamath National Forest, Scott Mountain Botanical Area, southeast of Big Carmen Lake. Comment
  CAS-BOT-BC519572  Triantha occidentalis subsp. occidentalis W. R. Dudley 1899-8-26 942 Siskiyou Along trail to Eddy Mountain Comment
  UCD166858  Trifolium arvense Robert E. Preston 2016-7-7 3060 Siskiyou 4.2 mi NE of Forks of Salmon, along Sawyers Bar Rd, near mouth of Big Creek. 478 Comment
  SBBG25902  Trifolium cyathiferum D. Myrick 1966-8-9 1513 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  SBBG3819  Trifolium eriocephalum H. and M. Dearing 1939-6-3 3528 Siskiyou Spring Flat Public Camp, Klamath Nat Forest 731 Comment
  JEPS101153  Trifolium eriocephalum var. eriocephalum Dean W. Taylor 1996-6-19 15713 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UC1190264  Trifolium eriocephalum var. eriocephalum Ira L. Wiggins 1955-7-23 13480 Siskiyou w China Creek (ridge) 1005 Comment
  RSA184746  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  UC1223368  Trifolium howellii Joseph P. Tracy 1951-6-6 19467 Siskiyou n Summit crossing (on the Takilma-Happy Camp Rd); Siskiyou Mtns Comment
  UC1409202  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou vicinity English Peak (Pine Lake Meadow); Salmon Mtns, Marble Mtn Wilderness area 1874 Comment
  UC375415  Trifolium hybridum Geo. D. Butler 1908-7-2 382 Siskiyou near Yreka Comment
  HSC30415  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou Wiregrass Meadow near English Lake 1707 Comment
  HSC60773  Trifolium longipes Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC69178  Trifolium longipes Maralyn A. Renner 1980-8-6 2337 Siskiyou Cracker Meadow 1555 Comment
  HSC18999  Trifolium longipes J. O. Sawyer 1969-7-11 1343 Siskiyou Along trail to Sugar Lake 1707 Comment
  UCD111256  Trifolium longipes AHM 1953-7-28 KNF 3 Siskiyou Trinity county line. Long Gulch Canyon. 1676 Comment
  UCD78050  Trifolium longipes subsp. hansenii Robert E. Preston 2001-6-23 1604 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  UC866843  Trifolium longipes var. elmeri A. A. Heller 1916-7-22 12483 Siskiyou east side of Mt. Eddy 1676 Comment
  UC454732  Trifolium longipes var. hansenii I. J. Condit 1911-7-27 Siskiyou near Sisson (Castle Lake) 1828 Comment
  UC1005586  Trifolium macrocephalum Frank W. Gould 1940-5-14 1236 Siskiyou Bull Meadows Goosenest Mountain 1524 Comment
  UC164161  Trifolium macrocephalum Geo. D. Butler 1909-4-14 639 Siskiyou Dry hill Yreka Comment
  HSC71623  Trifolium microcephalum J. P. Smith 1973-5-5 6559 Siskiyou Scott Bar along the Scott River Comment
  UCD109292  Trifolium pratense J. M. Tucker 1950-7-23 1937 Siskiyou Town of Mt. Shasta. Comment
  HSC794  Trifolium productum William J. Ferlatte 1967-7-9 697 Siskiyou Kidd Creek Trail 1982 Comment
  UC144271  Trifolium variegatum var. melananthum A. A. Heller 1905-6-5 7964 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC454715  Trifolium variegatum var. variegatum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC867040  Trifolium wormskioldii A. A. Heller 1916-7-20 12459 Siskiyou Metcalf's ranch ne base of Mt. Eddy 1188 Comment
  POM109158  Trillium albidum Geo D. Butler 1909-4-14 669 Siskiyou Humbug Creek Comment
  RSA760934  Trillium ovatum subsp. oettingeri Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63359 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UCD93504  Trisetum canescens Beecher Crampton 1956-8-21 3813 Siskiyou 15-16 miles southwest of city of Mount Shasta City, above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  HSC4777  Trisetum spicatum William J. Ferlatte 1966-8-5 329 Siskiyou N side of Caribou Mtn. 1982 Comment
  POM352883  Trisetum spicatum Anonymous 1908-07 9203 Siskiyou Marble Mts.; Upper Canyon Creeks. Comment
  UC535957  Trisetum wolfii Elmer I. Applegate 1923-8-17 3835 Siskiyou Medicine Lake Comment
  RSA78679  Triteleia crocea Philip A. Munz 1952-7-2 17872 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  UC454045  Triteleia hyacinthina I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake Comment
  CAS-BOT-BC522344  Triteleia hyacinthina Geo. D. Butler 1909-5-31 785 Siskiyou Hawkinsville Comment
  RSA68876  Triteleia hyacinthina A. E. Culbertson 1943-7-1 80 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  CHSC2087  Triteleia ixioides subsp. anilina M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  LA21975  Triteleia ixioides subsp. anilina Mary V. Hood; 1940-6-6 15083 Siskiyou Klamath Mountains, Castle Lake Road Comment
  HSC44785  Triteleia ixioides subsp. scabra S. Horner 1978-7-5 416 Siskiyou Intersection of Sand Flat Well Rd. with 40N05 1280 Comment
  HSC69718  Tsuga mertensiana Maralyn A. Renner 1980-7-16 1795 Siskiyou Hancock Lake inlet 1951 Comment
  RSA237586  Tsuga mertensiana Frederick W. Oettinger 1967-8-26 327 Siskiyou Trees off north eastern side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC1190123  Tsuga mertensiana Ira L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UCD77352  Turritis glabra Robert E. Preston 2001-7-20 1698 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1676 Comment
  CHSC105281  Urtica dioica subsp. gracilis Lowell Ahart; John Dittes 2010-7-30 16961 Siskiyou On the south bank of the Shasta River, about 1 yard east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UC848743  Urtica dioica subsp. holosericea Alice Eastwood 1912-7-18 1217 Siskiyou Sisson Comment
  RSA15687  Urtica dioica subsp. holosericea Carl B. Wolf 1927-8-26 1073 Siskiyou On the Klamath River, near Hamburg. Comment
  SEINET6766884  Urtica dioica var. occidentalis G. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  RSA68865  Vaccinium A. E. Culbertson 1943-6-23 91 Siskiyou On e. shore of Castle Lake (also at n.w. corner), 5434, in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R.,, within 10 air miles of its headwaters to the west. Comment
  HSC65289  Vaccinium cespitosum Rich White 1978-7-3 219 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  HSC91311  Vaccinium cespitosum Jennifer Whipple 1976-4-17 1029 Siskiyou Near Durney Lake 2073 Comment
  LA44628  Vaccinium cespitosum Wm. Bridge Cooke; 1939-8-24 13896 Siskiyou Mt. Shasta, Panther Meadow, Heather meadows, lower portions Comment
  JEPS66690  Vaccinium deliciosum Geo. D. Butler 1908-8-5 44 Siskiyou summit above Cold Springs 1828 Comment
  HSC19333  Vaccinium membranaceum J. O. Sawyer 1969-8-1 1615 Siskiyou Horseshoe Lake 2073 Comment
  HSC19368  Vaccinium membranaceum J. O. Sawyer 1968-6-18 208 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC65418  Vaccinium membranaceum R. White 1978-7-3 206 Siskiyou Saddle in spur ridge between Dillon Trail and 5759 Comment
  UC165967  Vaccinium membranaceum Geo. D. Butler 1908-8-8 30 Siskiyou s of Lake (at head of West Fork of Wooley Creek); West Fork of Wooley Creek Comment
  HSC26906  Vaccinium scoparium J. P. Smith, J. O. Sawyer 1971-9-17 4785 Siskiyou On trail up to Little Duck lake 1829 Comment
  JEPS123401  Vaccinium scoparium Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -132 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  CAS-BOT-BC199527  Vaccinium uliginosum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  JEPS58725  Vaccinium uliginosum subsp. occidentale Willis L. Jepson 1894-1 14689 Siskiyou Sisson Upper Sacramento Region Comment
  HSC87235  Vahlodea atropurpurea K. Berg, Stephanie Bennett 1986-8-25 653 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  UC28816  Valeriana californica Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  HSC19090  Veratrum californicum var. californicum J. O. Sawyer 1969-8-4 1824 Siskiyou Above Sugar Lake 2134 Comment
  UC61184  Veratrum californicum var. californicum W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  UC138882 Image available Veronica copelandii Copeland 1903-8-18 3931 Siskiyou Mt. Eddy; ; Mt. Eddy, Siskiyou Co. Comment
  UCD78083  Vicia americana Robert E. Preston 2002-6-21 1875 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1749 Comment
  UC618894  Vicia americana var. americana unknown 1938-7-22 11310 Siskiyou Wagon Camp; Mount Shasta Comment
  HSC71649  Vicia americana var. americana J. P. Smith, Steve Selva 1970-6-16 4009 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  POM28945  Vicia americana var. americana Geo. D. Butler 1910-5-26 1411 Siskiyou Yreka. Comment
  HSC4488  Viola adunca William J. Ferlatte 1966-6-22 98 Siskiyou Along the S Fork of the Salmo